SOLUTION: solve by elimination method 5x+5y=-11 7x-3y=19

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Question 327461: solve by elimination method
5x+5y=-11
7x-3y=19
Answer by user_dude2008(1862) About Me  (Show Source):
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5x+5y=-11
7x-3y=19


3(5x+5y)=3(-11)
5(7x-3y)=5(19)


15x+15y=-33
35x-15y=95


50x=62
x=62/50=31/25

5x+5y=-11
5(31/25)+5y=-11
31/5+5y=-11
31+25y=-55
25y=-55-31
25y=-86
y=-86/25

Answers: x=31/25, y=-86/25