3x+4=6x+1+x-21

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Solution for 3x+4=6x+1+x-21 equation: 



3x+4=6x+1+x-21

We move all terms to the left:

3x+4-(6x+1+x-21)=0

We add all the numbers together, and all the variables

3x-(7x-20)+4=0

We get rid of parentheses

3x-7x+20+4=0

We add all the numbers together, and all the variables

-4x+24=0

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

-4x=-24

x=-24/-4

x=+6

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