7x-7=x+8+x+15

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Solution for 7x-7=x+8+x+15 equation: 



7x-7=x+8+x+15

We move all terms to the left:

7x-7-(x+8+x+15)=0

We add all the numbers together, and all the variables

7x-(2x+23)-7=0

We get rid of parentheses

7x-2x-23-7=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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