Question

What equation results when the following pairs of equations are added?
x+y=5
x-y=7

Answer 1

Answer:

Step-by-step explanation:

Hii mate gm:

By add eq1 and eq2

2x=12

x=6

Put the value of x in eq 2

x-y=7

6-y=7

-y=1

Y=-1

Answer 2

Answer:

Step-by-step explanation:

X+y=5

X-y=7

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2x=12

X=6

X+y=5

6+y=5

Y=5-6

Y=-1