27-4x=-7-21x

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Solution for 27-4x=-7-21x equation: 



27-4x=-7-21x

We move all terms to the left:

27-4x-(-7-21x)=0

We add all the numbers together, and all the variables

-4x-(-21x-7)+27=0

We get rid of parentheses

-4x+21x+7+27=0

We add all the numbers together, and all the variables

17x+34=0

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

17x=-34

x=-34/17

x=-2

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