7x+3-2x=15-x

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



7x+3-2x=15-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

7x-2x-(-1x+15)+3=0

We add all the numbers together, and all the variables

5x-(-1x+15)+3=0

We get rid of parentheses

5x+1x-15+3=0

We add all the numbers together, and all the variables

6x-12=0

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

6x=12

x=12/6

x=2

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