-4=-9(3/9x+18)

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Solution for -4=-9(3/9x+18) equation: 



-4=-9(3/9x+18)

We move all terms to the left:

-4-(-9(3/9x+18))=0



Domain of the equation: 9x+18))!=0

x∈R



We multiply all the terms by the denominator


-(-9(3-4*9x+18))=0



We calculate terms in parentheses: -(-9(3-4*9x+18)), so:

-9(3-4*9x+18)

We add all the numbers together, and all the variables

-9(-4*9x+21)

We multiply parentheses

324x-189

Back to the equation:

-(324x-189)



We get rid of parentheses

-324x+189=0

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

-324x=-189

x=-189/-324

x=7/12

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