7x=12-13x

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Solution for 7x=12-13x equation: 



7x=12-13x

We move all terms to the left:

7x-(12-13x)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

7x+13x-12=0

We add all the numbers together, and all the variables

20x-12=0

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

20x=12

x=12/20

x=3/5

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