Please help me!! find the solution of this system of equations -x + 5y=-18 5x - 9y= 10

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asked May 9, 2018 70.3k views

1 Answer

Fahad Sarfraz · Answer 1 · 2018-05-16T13:40:48+0000

Multiply the first equation by 5 to use the elimination method.

-5x+25y=-90
5x-9y=10

16y=-80
y=-5

Plug this y value into one of the original equations.

-x+5(-5)=-18
-x-25=-18
-x=7
x=-7

Final answer: (-7,-5)

Please help me!! find the solution of this system of equations -x + 5y=-18 5x - 9y= 10

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