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

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Question 1203939: x = 5y - 1
x + 2y = 13
Found 2 solutions by MathLover1, josgarithmetic:
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
x+=+5y+-+1.....eq.1
x+%2B+2y+=+13.....eq.2
______________________________
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x+%2B+2y+=+13.....eq.2, substitute x from eq.1
5y+-+1+%2B+2y+=+13
7y+=+13%2B1
7y+=+14
y+=+14%2F7
y+=+2

go to
x+=+5y+-+1.....eq.1, substitute y
x+=+5%2A2+-+1
x+=+9


solution:
x+=+9
y+=+2





Answer by josgarithmetic(39617) About Me  (Show Source):