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22-05-2015
Mathematics

contestada

Solve the equation.
-3x-3y=-24
x+y=8

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22-05-2015

-3x-3y=-24
divide the equation by 3
-x-y=-8
multiply -1
x+y=8
second equation
x+y=8
same equation
so answer is
x+y=8
infinite soutions

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