12x-5x+155=12x+90

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Solution for 12x-5x+155=12x+90 equation: 



12x-5x+155=12x+90

We move all terms to the left:

12x-5x+155-(12x+90)=0

We add all the numbers together, and all the variables

7x-(12x+90)+155=0

We get rid of parentheses

7x-12x-90+155=0

We add all the numbers together, and all the variables

-5x+65=0

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

-5x=-65

x=-65/-5

x=+13

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