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Mathematics
Genevieve Garner
16 October, 09:51
If 5x+15y=45 then 6x-18y=?
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Lexi Ashley
16 October, 11:13
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So we have 5x+15y=45
simplify and undistribute 5 from both sides
5 (x+3y) = 5 (9)
divide both sides by 5
x+3y=9
multiply both sides by 6
6x+18y=54
if it was 6x+18y then the answer is 54
if it was 6x-18y, then I don't know the answer
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