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21-02-2017
Mathematics

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-5x+y=-2 solve system of equations by subtraction

5xy2 solve system of equations by subtraction class=

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21-02-2017

EQUATION 1) -5x+y=-2 =====> Multiply by 6
EQUATION 2) -3x+6y=-12

1) -30x+6y=12
2) -3x+6y=-12

SUBTRACT BOTH EQUATIONS

-27x=0
x=0

-5(0)+y=-2
0+y=-2
y=-2

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