4x+15+3x+12=8x+9

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Solution for 4x+15+3x+12=8x+9 equation: 



4x+15+3x+12=8x+9

We move all terms to the left:

4x+15+3x+12-(8x+9)=0

We add all the numbers together, and all the variables

7x-(8x+9)+27=0

We get rid of parentheses

7x-8x-9+27=0

We add all the numbers together, and all the variables

-1x+18=0

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

-x=-18

x=-18/-1

x=+18

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