1.

Write four solution for each of the followingEquation2x+y=7

Answer»

2x+y=7y=7-2xif x=1,then y=7-2(1)=7-2=5if x=2,then y=7-2(2)=7-4=3if x=3,then y=7-2(3)=7-6=1if x=-1,then y=7-2(-1)=7+2=9



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