72-4.5x=42-7.5x

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Solution for 72-4.5x=42-7.5x equation: 



72-4.5x=42-7.5x

We move all terms to the left:

72-4.5x-(42-7.5x)=0

We add all the numbers together, and all the variables

-4.5x-(-7.5x+42)+72=0

We get rid of parentheses

-4.5x+7.5x-42+72=0

We add all the numbers together, and all the variables

3x+30=0

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

3x=-30

x=-30/3

x=-10

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