7x+15+12x+11=20x+9

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Solution for 7x+15+12x+11=20x+9 equation: 



7x+15+12x+11=20x+9

We move all terms to the left:

7x+15+12x+11-(20x+9)=0

We add all the numbers together, and all the variables

19x-(20x+9)+26=0

We get rid of parentheses

19x-20x-9+26=0

We add all the numbers together, and all the variables

-1x+17=0

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

-x=-17

x=-17/-1

x=+17

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