7x+15=3+2x

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Solution for 7x+15=3+2x equation: 



7x+15=3+2x

We move all terms to the left:

7x+15-(3+2x)=0

We add all the numbers together, and all the variables

7x-(2x+3)+15=0

We get rid of parentheses

7x-2x-3+15=0

We add all the numbers together, and all the variables

5x+12=0

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

5x=-12

x=-12/5

x=-2+2/5

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