22.5=3x+3(22.5-3x)

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Solution for 22.5=3x+3(22.5-3x) equation: 



22.5=3x+3(22.5-3x)

We move all terms to the left:

22.5-(3x+3(22.5-3x))=0

We add all the numbers together, and all the variables

-(3x+3(-3x+22.5))+22.5=0



We calculate terms in parentheses: -(3x+3(-3x+22.5)), so:

3x+3(-3x+22.5)

We multiply parentheses

3x-9x+67.5

We add all the numbers together, and all the variables

-6x+67.5

Back to the equation:

-(-6x+67.5)



We get rid of parentheses

6x-67.5+22.5=0

We add all the numbers together, and all the variables

6x-45=0

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

6x=45

x=45/6

x=7+1/2

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