SOLUTION: Solve the system x + 2y = -13 and 4x - 3y = 25 using substitution method. Please include complete solutions.

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Question 1198692: Solve the system x + 2y = -13
and 4x - 3y = 25 using substitution
method. Please include complete solutions.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the system x + 2y = -13
and 4x - 3y = 25 using substitution
method.
--------------
x + 2y = -13 ---> x = -2y - 13
--
4x - 3y = 25
Sub for x
4*(-2y-13) - 3y = 25
-8y - 52 - 3y = 25
-11y = 77
y = -7
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x + 2y = -13
x + 2*(-7) = -13
x -14 = -13
x = 1