3(2x+7)=21+18

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Solution for 3(2x+7)=21+18 equation: 



3(2x+7)=21+18

We move all terms to the left:

3(2x+7)-(21+18)=0

We add all the numbers together, and all the variables

3(2x+7)-39=0

We multiply parentheses

6x+21-39=0

We add all the numbers together, and all the variables

6x-18=0

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

6x=18

x=18/6

x=3

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