4x=-7(3-3x)-9

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Solution for 4x=-7(3-3x)-9 equation: 



4x=-7(3-3x)-9

We move all terms to the left:

4x-(-7(3-3x)-9)=0

We add all the numbers together, and all the variables

4x-(-7(-3x+3)-9)=0



We calculate terms in parentheses: -(-7(-3x+3)-9), so:

-7(-3x+3)-9

We multiply parentheses

21x-21-9

We add all the numbers together, and all the variables

21x-30

Back to the equation:

-(21x-30)



We get rid of parentheses

4x-21x+30=0

We add all the numbers together, and all the variables

-17x+30=0

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

-17x=-30

x=-30/-17

x=1+13/17

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