7x+9=15-x

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Solution for 7x+9=15-x equation: 



7x+9=15-x

We move all terms to the left:

7x+9-(15-x)=0

We add all the numbers together, and all the variables

7x-(-1x+15)+9=0

We get rid of parentheses

7x+1x-15+9=0

We add all the numbers together, and all the variables

8x-6=0

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

8x=6

x=6/8

x=3/4

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