SOLUTION: Solve the substitution: (3x + 5y = 5 (x -2y = 9

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Question 141616: Solve the substitution:
(3x + 5y = 5
(x -2y = 9
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
3x + 5y = 5
x -2y = 9 then x=2y+9
substituting in the first eq we have 3(2y+9)+5y=5
6y+27+5y=5
11y=-22
then y=-2 and x=2(-2)+9=5
Answer: x=5 and y=-2