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Solve : (5x-3)/(2)- (3x-2)/(3)=(2)/(3)...

Solve : `(5x-3)/(2)- (3x-2)/(3)=(2)/(3)`

A

`x=2`

B

`x=1`

C

`x=3`

D

`x=4`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the equation \(\frac{5x-3}{2} - \frac{3x-2}{3} = \frac{2}{3}\), we will follow these steps: ### Step 1: Find a common denominator The denominators in the equation are 2 and 3. The least common multiple (LCM) of 2 and 3 is 6. We will multiply each term by 6 to eliminate the denominators. \[ 6 \left(\frac{5x-3}{2}\right) - 6 \left(\frac{3x-2}{3}\right) = 6 \left(\frac{2}{3}\right) \] ### Step 2: Simplify each term Now we simplify each term: - For the first term: \[ 6 \cdot \frac{5x-3}{2} = 3(5x - 3) = 15x - 9 \] - For the second term: \[ 6 \cdot \frac{3x-2}{3} = 2(3x - 2) = 6x - 4 \] - For the right side: \[ 6 \cdot \frac{2}{3} = 4 \] Putting it all together, we have: \[ 15x - 9 - (6x - 4) = 4 \] ### Step 3: Distribute and combine like terms Distributing the negative sign in the equation: \[ 15x - 9 - 6x + 4 = 4 \] Now combine like terms: \[ (15x - 6x) + (-9 + 4) = 4 \] \[ 9x - 5 = 4 \] ### Step 4: Isolate the variable Now, we will isolate \(x\) by adding 5 to both sides: \[ 9x - 5 + 5 = 4 + 5 \] \[ 9x = 9 \] ### Step 5: Solve for \(x\) Now, divide both sides by 9: \[ x = \frac{9}{9} = 1 \] ### Final Answer Thus, the solution to the equation is: \[ x = 1 \] ---
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ICSE-LINEAR EQUATIONS-EXERCISE 14B
  1. Solve : (5x-3)/(2)- (3x-2)/(3)=(2)/(3)

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  2. Three-sevenths of a number is 12. Find the number.

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  3. A number increased by 9 gives 43. Find the number.

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  4. A number diminished by 11 gives 57. Find the number.

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  5. Thrice a number increased by 6 equals 39. Find the number.

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  6. Three-fourths of a number exceeds its one-third by 15. Find the number...

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  7. A number when divided by 4 is reduced by 21. Find the number.

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  8. A number is as much greater than 36 as is less than 86. Find the numbe...

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  9. A number exceeds its four-sevenths by 18. Find the number.

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  10. A number exceeds 20% of itself by 40. Find the number.

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  11. If 10 be added to four times a certain number, the result is 5 less th...

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  12. One fourth of a number is increased by 7 and the result is multiplied ...

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  13. The sum of two consecutive odd numbers is 56. Find the numbers.

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  14. The sum of three consecutive even numbers is 48. Find the numbers.

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  15. One of the two numbers exceeds the other by 9. Four times the smaller ...

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  16. In a class of 40 pupils, the number of girls is three-fifths of the nu...

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  17. The length of a rectangular park is three times its breadth. If the pe...

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  18. Two equal sides of a triangle are each 5 metres less than twice the th...

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  19. Two supplementary angles differ by 44^(@). Find the angles.

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  20. The total cost of 3 tables and 2 chairs is Rs. 8745. If a table costs ...

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  21. The denominator of a fraction is 3 more than the numerator. If 2 is ad...

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