2x+15=45-x

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Solution for 2x+15=45-x equation: 



2x+15=45-x

We move all terms to the left:

2x+15-(45-x)=0

We add all the numbers together, and all the variables

2x-(-1x+45)+15=0

We get rid of parentheses

2x+1x-45+15=0

We add all the numbers together, and all the variables

3x-30=0

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

3x=30

x=30/3

x=10

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