5(x-3)=21+3x

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



5(x-3)=21+3x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

5x-(3x+21)-15=0

We get rid of parentheses

5x-3x-21-15=0

We add all the numbers together, and all the variables

2x-36=0

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

2x=36

x=36/2

x=18

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