3 years ago

15-2x=3x x= please help me

2 answers:

8 0

Reemmber you can do anything to an equaiotn as long as y ou do it to both sides

15-2x-3x
add 2x to both sides
15+2x-2x=3x+2x
15+0=5x
15=5x
divide both sides by 5
15/5=(5x)/5
3=(5/5)x
3=1x
3=x

x=3

alex41 [277]3 years ago

7 0

15-2x=3x
Add 2x to both sides
15=5x
Divide by 5 on both sides
3=x

Hope it helps (:

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