3(1+x)=30

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Solution for 3(1+x)=30 equation: 



3(1+x)=30

We move all terms to the left:

3(1+x)-(30)=0

We add all the numbers together, and all the variables

3(x+1)-30=0

We multiply parentheses

3x+3-30=0

We add all the numbers together, and all the variables

3x-27=0

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

3x=27

x=27/3

x=9

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