solve x+y=2,2x+2y=4
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Answer:
x+y=2
x=y-2
2x+2y=4
2(x+y)=4
x+y=4/2
x+y=2
putting the value of x
y-2+y=2
2y-2=2
2y=2+2
2y=4
y=2
now putting the value of y
x=y-2
x=2-2
x=0
ans-x=0 and y=2
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