5x+3(x-1)=21+6x

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Solution for 5x+3(x-1)=21+6x equation: 



5x+3(x-1)=21+6x

We move all terms to the left:

5x+3(x-1)-(21+6x)=0

We add all the numbers together, and all the variables

5x+3(x-1)-(6x+21)=0

We multiply parentheses

5x+3x-(6x+21)-3=0

We get rid of parentheses

5x+3x-6x-21-3=0

We add all the numbers together, and all the variables

2x-24=0

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

2x=24

x=24/2

x=12

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