Mathematics
dalanac
2016-04-27 21:34:57
What is the solution of the equation y-x=-13 and -4x+3y=-51
ANSWERS
Autumn99
2016-04-28 02:30:49

-4x+3y=-51 y-x=-13 -y+x=13 x-y=13 Multiply both side by 4 x*4-y*4=13*4 4x-4y=52 Use substitute property 4x-4y=52 + -4x+3y=-51 = -y=1 y=-1 y-x=-13 Substitute y with 1 -1-x=-13 Add 1 to each side 1-x+1=-13+1 -x=-12 x=12. As a result, the solution of these equation is (12,-1). Hope it help!

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