5(3+x)=2x+21

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Solution for 5(3+x)=2x+21 equation: 



5(3+x)=2x+21

We move all terms to the left:

5(3+x)-(2x+21)=0

We add all the numbers together, and all the variables

5(x+3)-(2x+21)=0

We multiply parentheses

5x-(2x+21)+15=0

We get rid of parentheses

5x-2x-21+15=0

We add all the numbers together, and all the variables

3x-6=0

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

3x=6

x=6/3

x=2

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