SOLUTION: Solve the linear system using substitution. 4x - y = 5 4x + 4 = -4

SOLUTION: Solve the linear system using substitution. 4x - y = 5 4x + 4 = -4

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Question 993905: Solve the linear system using substitution.
4x - y = 5
4x + 4 = -4
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
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From the second equation you have 4x = -8, hence, x = -2.

Substitute it into the first equation and solve for y.

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