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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

7x-(3x+21)-3=0

We get rid of parentheses

7x-3x-21-3=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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