3x+30=2x+15.

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Solution for 3x+30=2x+15. equation: 



3x+30=2x+15.

We move all terms to the left:

3x+30-(2x+15.)=0

We add all the numbers together, and all the variables

3x-(2x+15)+30=0

We get rid of parentheses

3x-2x-15+30=0

We add all the numbers together, and all the variables

x+15=0

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

x=-15

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