Question

x+y= 5 ; x-y =7 solve the linear equation in two variable
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Answer 1

Answer:

x+y=5 ---------(1)

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

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2x=12

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x=6

put x in (1) we get ..

y=-1

Step-by-step explanation:

Answer 2

Step-by-step explanation:

1. x+y=5

x-y=7

ADDING EQUATION 1 AND 2

X+Y=5

+. X-Y=7

2X=12

X=12

6

X=6

Y=-1