7(x-1)+2=5x+15

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Solution for 7(x-1)+2=5x+15 equation: 



7(x-1)+2=5x+15

We move all terms to the left:

7(x-1)+2-(5x+15)=0

We multiply parentheses

7x-(5x+15)-7+2=0

We get rid of parentheses

7x-5x-15-7+2=0

We add all the numbers together, and all the variables

2x-20=0

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

2x=20

x=20/2

x=10

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