KingLibra2002 KingLibra2002

07-12-2016
Mathematics

contestada

What is the solution to the system of equations?

Use the substitution method to solve.

6=−4x+y

−5x−y=21

Respuesta :

TheKatanaMistress TheKatanaMistress

07-12-2016

6=4x+y -5x-y=21
y=6+4x y=-5x-21
6+4x=-5x-21
6=-9x-21
27=-9x
-3=x

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kendalldlani kendalldlani

07-12-2016

x=-3, and y=-6. To show how you worked the problem, you would have to move around one of the equations, and then substitute the variable.

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