Question

solve by using elimination method?x+ y=8,2x-y=7​

Answer 1

Answer:

Here's your answer mate. Hope it helps you ☺

Answer 2

Answer:

x = 5

y = 3

Step-by-step explanation:

x+y = 8 ------------ (1)

2x-y = 7 -------------(2)

Multiply eq 1 by 2 to make the coefficient of x equal in both equations.

2(x+y) = 2×8

2x + 2y = 16 -----------(3)

From (2) & (3) we get,

2x + 2y = 16

2x - y = 7

- + -

--------------------

3y = 9

y = 9/3

y = 3 -------------(4)

Substitute value of y is equal to 3 e in equation (1)

x + y = 8

x + 3 = 8

x = 8 - 3

x = 5

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