3x+1=9x-77

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Solution for 3x+1=9x-77 equation: 



3x+1=9x-77

We move all terms to the left:

3x+1-(9x-77)=0

We get rid of parentheses

3x-9x+77+1=0

We add all the numbers together, and all the variables

-6x+78=0

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

-6x=-78

x=-78/-6

x=+13

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