SOLUTION: Solve the system by the elimination method 5x+5y=-7 7x-2y=13 Can someone please help me with this?

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Question 245562: Solve the system by the elimination method
5x+5y=-7
7x-2y=13
Can someone please help me with this?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
5x+5y=-7 multiply by 2
7x-2y=13 multiply by 5 & add.
10x+10y=-14
35x-10y=65
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45x=51
x=51/45
x=17/15 ans.
5*17/15+5y=-7
17/3+5y=-7
5y=-7-17/3
5y=-21/3-17/3
5y=-38/3
y=(-38/3)/5
y=-38/3*1/5
y=-38/15 ans.