2x+15=4x-30

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Solution for 2x+15=4x-30 equation: 



2x+15=4x-30

We move all terms to the left:

2x+15-(4x-30)=0

We get rid of parentheses

2x-4x+30+15=0

We add all the numbers together, and all the variables

-2x+45=0

We move all terms containing x to the left, all other terms to the right

-2x=-45

x=-45/-2

x=22+1/2

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