-2+3(10+x)=21

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Solution for -2+3(10+x)=21 equation: 



-2+3(10+x)=21

We move all terms to the left:

-2+3(10+x)-(21)=0

We add all the numbers together, and all the variables

3(x+10)-2-21=0

We add all the numbers together, and all the variables

3(x+10)-23=0

We multiply parentheses

3x+30-23=0

We add all the numbers together, and all the variables

3x+7=0

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

3x=-7

x=-7/3

x=-2+1/3

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