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(52786) About Me  (Show Source):
You can put this solution on YOUR website!
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system%284x+-+y+=+5%2C%0D%0A4x+%2B+4+=+-4%29.

From the second equation you have  4x = -8,  hence,  x = -2.

Substitute it into the first equation and solve for  y.