-30=3(5-2x)+9

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Solution for -30=3(5-2x)+9 equation: 



-30=3(5-2x)+9

We move all terms to the left:

-30-(3(5-2x)+9)=0

We add all the numbers together, and all the variables

-(3(-2x+5)+9)-30=0



We calculate terms in parentheses: -(3(-2x+5)+9), so:

3(-2x+5)+9

We multiply parentheses

-6x+15+9

We add all the numbers together, and all the variables

-6x+24

Back to the equation:

-(-6x+24)



We get rid of parentheses

6x-24-30=0

We add all the numbers together, and all the variables

6x-54=0

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

6x=54

x=54/6

x=9

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