6x+21+7=4x-20+5x

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Solution for 6x+21+7=4x-20+5x equation: 



6x+21+7=4x-20+5x

We move all terms to the left:

6x+21+7-(4x-20+5x)=0

We add all the numbers together, and all the variables

6x-(9x-20)+21+7=0

We add all the numbers together, and all the variables

6x-(9x-20)+28=0

We get rid of parentheses

6x-9x+20+28=0

We add all the numbers together, and all the variables

-3x+48=0

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

-3x=-48

x=-48/-3

x=+16

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