4(x+9)=x+15

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Solution for 4(x+9)=x+15 equation: 



4(x+9)=x+15

We move all terms to the left:

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

We multiply parentheses

4x-(x+15)+36=0

We get rid of parentheses

4x-x-15+36=0

We add all the numbers together, and all the variables

3x+21=0

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

3x=-21

x=-21/3

x=-7

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