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Solving system of equations by elimination

Algebra
Tutor: None Selected Time limit: 0 Hours

16x-10y=10

-8x-6y=6

Apr 25th, 2015

Multiply second equation by 2 to get

-16x - 12y = 12

Add to the first equation to get

-22y = 22

y = -1

Plug back into either equation to solve for x

16x - 10(-1) = 10

16x + 10 = 10

16x = 0

x = 0

So, the solution (x,y) = (0, -1)


Apr 25th, 2015

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Apr 25th, 2015
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Apr 25th, 2015
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