3(x+3)+15=42

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Solution for 3(x+3)+15=42 equation: 



3(x+3)+15=42

We move all terms to the left:

3(x+3)+15-(42)=0

We add all the numbers together, and all the variables

3(x+3)-27=0

We multiply parentheses

3x+9-27=0

We add all the numbers together, and all the variables

3x-18=0

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

3x=18

x=18/3

x=6

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