3x+15=-2x+45

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Solution for 3x+15=-2x+45 equation: 



3x+15=-2x+45

We move all terms to the left:

3x+15-(-2x+45)=0

We get rid of parentheses

3x+2x-45+15=0

We add all the numbers together, and all the variables

5x-30=0

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

5x=30

x=30/5

x=6

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