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01-07-2017
Mathematics

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Find the solution of this system of equations.

-4x + y = -25

-6x - 6y = 0

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01-07-2017

-4x + y = -25 y = 4x - 25

-6x - 6y = 0

-6x - 6(4x - 25) = 0
-6x - 24x + 150 = 0
-30x + 150 = 0
-30x = -150
x = 5

y = 4(5) - 25
y = 20 - 25
y = -5

(5, -5)

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