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Koko
Mathematics
11 February, 06:15
Solve the system of equations - 2x+y=5 x-3y=-30
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Bridger Carey
11 February, 06:35
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-2x+y=5
x-3y=-30 so you can multiply the bottom equation by 2 you'll get 2x-6y=-60
-2x+y=5
2x-6y=-60 And subtract the equations. You'll get - 5y=-55 y=11. Plug it in to one of the original equations. - 2x + (11) = 5
-2x=-6 so x=3
y=11 and x=3
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