madisonmcelvany2404
18.09.2020 •
Mathematics
If 5x+15y=45 then 6x-18y=?
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Ответ:
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
Ответ:
-4
Step-by-step explanation:
-3x>12
x<-4
the correct graph is graph b