7x-7=-16+4x

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Solution for 7x-7=-16+4x equation: 



7x-7=-16+4x

We move all terms to the left:

7x-7-(-16+4x)=0

We add all the numbers together, and all the variables

7x-(4x-16)-7=0

We get rid of parentheses

7x-4x+16-7=0

We add all the numbers together, and all the variables

3x+9=0

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

3x=-9

x=-9/3

x=-3

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