7=-2x+15

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Solution for 7=-2x+15 equation: 



7=-2x+15

We move all terms to the left:

7-(-2x+15)=0

We get rid of parentheses

2x-15+7=0

We add all the numbers together, and all the variables

2x-8=0

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

2x=8

x=8/2

x=4

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