3x-3=12-4.5x

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Solution for 3x-3=12-4.5x equation: 



3x-3=12-4.5x

We move all terms to the left:

3x-3-(12-4.5x)=0

We add all the numbers together, and all the variables

3x-(-4.5x+12)-3=0

We get rid of parentheses

3x+4.5x-12-3=0

We add all the numbers together, and all the variables

7.5x-15=0

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

7.5x=15

x=15/7.5

x=2

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