3x+7x+5=12x-13

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Solution for 3x+7x+5=12x-13 equation: 



3x+7x+5=12x-13

We move all terms to the left:

3x+7x+5-(12x-13)=0

We add all the numbers together, and all the variables

10x-(12x-13)+5=0

We get rid of parentheses

10x-12x+13+5=0

We add all the numbers together, and all the variables

-2x+18=0

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

-2x=-18

x=-18/-2

x=+9

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