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OpenStudy (anonymous):
solve by the elimintion method x+3y=28 -x+3y=14
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OpenStudy (katrinakaif):
6y = 42 y = 7 Plug back in the value to find x
OpenStudy (anonymous):
By adding the two equations together, you are left with 6y = 42. Divide both sides by 6 to get y = 7. Plug 7 in for y in one of the original equations to solve for x.
OpenStudy (anonymous):
so the answer is 8
OpenStudy (anonymous):
If you solve for x + 3(7) = 28, do you get 8?
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