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-61=7-4x

We move all terms to the left:

-61-(7-4x)=0

We add all the numbers together, and all the variables

-(-4x+7)-61=0

We get rid of parentheses

4x-7-61=0

We add all the numbers together, and all the variables

4x-68=0

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

4x=68

x=68/4

x=17

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