3(q-10)-3=9

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Solution for 3(q-10)-3=9 equation: 



3(q-10)-3=9

We move all terms to the left:

3(q-10)-3-(9)=0

We add all the numbers together, and all the variables

3(q-10)-12=0

We multiply parentheses

3q-30-12=0

We add all the numbers together, and all the variables

3q-42=0

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

3q=42

q=42/3

q=14

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