8x-12=30+3x

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Solution for 8x-12=30+3x equation: 



8x-12=30+3x

We move all terms to the left:

8x-12-(30+3x)=0

We add all the numbers together, and all the variables

8x-(3x+30)-12=0

We get rid of parentheses

8x-3x-30-12=0

We add all the numbers together, and all the variables

5x-42=0

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

5x=42

x=42/5

x=8+2/5

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