-13x-(-12x-13)=49-4x

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Solution for -13x-(-12x-13)=49-4x equation: 



-13x-(-12x-13)=49-4x

We move all terms to the left:

-13x-(-12x-13)-(49-4x)=0

We add all the numbers together, and all the variables

-13x-(-12x-13)-(-4x+49)=0

We get rid of parentheses

-13x+12x+4x+13-49=0

We add all the numbers together, and all the variables

3x-36=0

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

3x=36

x=36/3

x=12

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