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Why so hard?
Questions and answers by visitors named
Why so hard?
Answers (1)
1st question- y=6 x=3 z=-1 2x=4-2z x=-z+2-(z-2)-y-z=-8 -2-y=-8 y=6-4(-z+2)+4(6)+5z=7 4z-8+24+5z=7 9z+16=7 2x+2(-1)=4 2x-2=4
