Question

5x-2y=10;4x+y=15 simultaneous equation​

Answer 1

Answer:

5x - 2y = 10

4x + y = 15

- - -

x-3y = -5

x = -5x +3y --(I)

5(-5+3y) -2y = 10

-25 +15y-2y = 10

y = 35

13

put in (I)

x-3×35 = -5

13

x-105 = -5

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x = -5 +105

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x = 40

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