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Solve the following equations : 3a-(1)...

Solve the following equations :
`3a-(1)/(5)=(a)/(5)+5(2)/(5)`

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The correct Answer is:
To solve the equation \( 3a - \frac{1}{5} = \frac{a}{5} + 5 \cdot \frac{2}{5} \), we will follow these steps: ### Step 1: Simplify the Right Side First, we simplify the right side of the equation. The term \( 5 \cdot \frac{2}{5} \) simplifies to \( 2 \). So, the equation becomes: \[ 3a - \frac{1}{5} = \frac{a}{5} + 2 \] ### Step 2: Eliminate the Fractions To eliminate the fractions, we can multiply every term in the equation by 5 (the least common multiple of the denominators). Multiplying through by 5 gives: \[ 5(3a) - 5\left(\frac{1}{5}\right) = 5\left(\frac{a}{5}\right) + 5(2) \] This simplifies to: \[ 15a - 1 = a + 10 \] ### Step 3: Rearrange the Equation Next, we will rearrange the equation to group all terms involving \( a \) on one side and constant terms on the other side. Subtract \( a \) from both sides: \[ 15a - a - 1 = 10 \] This simplifies to: \[ 14a - 1 = 10 \] ### Step 4: Isolate \( a \) Now, we will isolate \( a \) by adding 1 to both sides of the equation: \[ 14a = 10 + 1 \] This simplifies to: \[ 14a = 11 \] ### Step 5: Solve for \( a \) Finally, divide both sides by 14 to solve for \( a \): \[ a = \frac{11}{14} \] ### Final Answer Thus, the solution to the equation is: \[ a = \frac{11}{14} \] ---
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ICSE-LINEAR EQUATIONS IN ONE VARIABLE-EXERCISE 14(A)
  1. Solve the following equations : 5(8x+3)=9(4x+7)

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  2. Solve the following equations : 3(x+1)=12+4(x-1)

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  3. Solve the following equations : (3x)/(4)-(1)/(4)(x-20)=(x)/(4)+32

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  4. Solve the following equations : 3a-(1)/(5)=(a)/(5)+5(2)/(5)

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  5. Solve the following equations : (x)/(3)-2(1)/(2)=(4x)/(9)-(2x)/(3)

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  6. Solve the following equations : (4(y+2))/(5)=7+(5y)/(13)

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  7. Solve the following equations : (a+5)/(6)-(a+1)/(9)=(a+3)/(4)

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  8. Solve the following equations : (2x-13)/(5)-(x-3)/(11)=(x-9)/(5)+1

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  9. Solve the following equations : 6(6x-5)-5(7x-8)=12(4-x)+1

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  10. Solve the following equations : (x-5)(x+3)=(x-7)(x+4)

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  11. Solve the following equations : (x-5)^(2)-(x+2)^(2)=-2

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  12. Solve the following equations : (x-1)(x+6)-(x-2)(x-3)=3

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  13. Solve the following equations : (3x)/(x+6)-(x)/(x+5)=2

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  14. Solve the following equations : (1)/(x-1)+(2)/(x-2)=(3)/(x-3)

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  15. Solve the following equations : (x-1)/(7x-14)=(x-3)/(7x-26)

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  16. Solve the following equations : (1)/(x-1)-(1)/(x)=(1)/(x+3)-(1)/(x+4...

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  17. Solve : (2x)/(3)-(x-1)/(6)+(7x-1)/(4)=2(1)/(6). Hence, find the valu...

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  18. Solve : (4-3x)/(5)+(7-x)/(3)+4(1)/(3)=0. Hence, find the value of 'p...

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  19. Solve : 0.25+(1.95)/(x)=0.9

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  20. Solve : 5x-(4x+(5x-4)/(7))=(4x-14)/(3).

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