SOLUTION: X=5y-1 X+2y=13

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Question 1075637: X=5y-1
X+2y=13
Answer by josgarithmetic(39617) About Me  (Show Source):
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(Substituting for X)
5y-1%2B2y=13
7y=13%2B1
7y=14
y=2

X=5%2A2-1
X=9

Intersection: (9,2)