-7x=4x-39=21

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Solution for -7x=4x-39=21 equation: 



-7x=4x-39=21

We move all terms to the left:

-7x-(4x-39)=0

We get rid of parentheses

-7x-4x+39=0

We add all the numbers together, and all the variables

-11x+39=0

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

-11x=-39

x=-39/-11

x=3+6/11

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