7x+7=77+2x

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Solution for 7x+7=77+2x equation: 



7x+7=77+2x

We move all terms to the left:

7x+7-(77+2x)=0

We add all the numbers together, and all the variables

7x-(2x+77)+7=0

We get rid of parentheses

7x-2x-77+7=0

We add all the numbers together, and all the variables

5x-70=0

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

5x=70

x=70/5

x=14

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