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10% of x + 20% of y = 24 3x - y = 20...

10% of x + 20% of y = 24
3x - y = 20

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The correct Answer is:
x = 40; y = 100
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ICSE-SIMULTANEOUS EQUATIONS-EXERCISE 6 (B)
  1. For solving each pair of equations, in this exercise, use the method o...

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  2. For solving each pair of equations, in this exercise, use the method o...

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  3. For solving each pair of equations, in this exercise, use the method o...

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  4. For solving each pair of equations, in this exercise, use the method o...

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  5. For solving each pair of equations, in this exercise, use the method o...

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  6. For solving each pair of equations, in this exercise, use the method o...

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  7. For solving each pair of equations, in this exercise, use the method o...

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  8. For solving each pair of equations, in this exercise, use the method o...

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  9. For solving each pair of equations, in this exercise, use the method o...

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  10. For solving each pair of equations, in this exercise, use the method o...

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  11. If 2x + y = 23 and 4x - y = 19, find the values of x - 3y and 5y - 2x.

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  12. If 10y=7x-4 and 12x+18y=1. Find the value of 4x+6y and 8y-x.

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  13. Solve for x and y : (y+7)/(5)=(2y-x)/(4)+3x-5 (7-5x)/(2)+(3-4y)/(6...

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  14. Solve for x and y : 4x = 17 - (x - y)/(8) 2y + x = 2 + (5y + 2)/(3...

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  15. Find the value of m, if x = 2, y = 1 is a solution of the equation 2x ...

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  16. 10% of x + 20% of y = 24 3x - y = 20

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  17. The value of expression mx-ny is 3 when x=5 and y=6. And its value is ...

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  18. Solve 11(x - 5) + 10(y - 2) + 54 = 0 7(2x - 1) + 9 (3y - 1) = 25

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  19. Solve : (7 + x)/(5) - (2x - y)/(4) = 3y - 5 (5y - 7)/(2) + (4x - 3...

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  20. Solve for x and y : 4x = 17 - (x - y)/(8) 2y + x = 2 + (5y + 2)/(3...

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