3(x+1)=4x-21

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



3(x+1)=4x-21

We move all terms to the left:

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

We multiply parentheses

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

We get rid of parentheses

3x-4x+21+3=0

We add all the numbers together, and all the variables

-1x+24=0

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

-x=-24

x=-24/-1

x=+24

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