3(x+30)+3(x+6)=18

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Solution for 3(x+30)+3(x+6)=18 equation: 



3(x+30)+3(x+6)=18

We move all terms to the left:

3(x+30)+3(x+6)-(18)=0

We multiply parentheses

3x+3x+90+18-18=0

We add all the numbers together, and all the variables

6x+90=0

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

6x=-90

x=-90/6

x=-15

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