Solve the system of equations - 2x+y=5 x-3y=-30

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Mathematics

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31 August, 09:35

Solve the system of equations - 2x+y=5 x-3y=-30

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Ariella Mueller · Answer 1

-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