SOLUTION: Solve by the substitution method 2x+5y=4 x=11-7y

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Question 242368: Solve by the substitution method
2x+5y=4
x=11-7y
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
+2x%2B5y=4
+x=11-7y
Substitute for x in the first equation and solve for y.
+2%2811-7y%29%2B5y=4
+22-14y%2B5y=4
+-9y=-18
+y=2
Then from eq. 1,
+2x%2B5y=4
+2x%2B10=4
+2x=-6
+x=-3+