3x=80-3x

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Solution for 3x=80-3x equation: 



3x=80-3x

We move all terms to the left:

3x-(80-3x)=0

We add all the numbers together, and all the variables

3x-(-3x+80)=0

We get rid of parentheses

3x+3x-80=0

We add all the numbers together, and all the variables

6x-80=0

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

6x=80

x=80/6

x=13+1/3

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