3x+128=13x-12

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Solution for 3x+128=13x-12 equation: 



3x+128=13x-12

We move all terms to the left:

3x+128-(13x-12)=0

We get rid of parentheses

3x-13x+12+128=0

We add all the numbers together, and all the variables

-10x+140=0

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

-10x=-140

x=-140/-10

x=+14

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