Math, asked by anshrt09, 1 year ago

find x if x+y5,and x-y= 7

Answers

Answered by pihuu36
5

X + y=5-(1)

x_y=7-(2)

from I and 2

2x=12

X=12/2

X=6

put X=6 in equation 1

X+y=5

6+y=5

y= -1

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