(18x-2)=99-(21-28x)

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Solution for (18x-2)=99-(21-28x) equation: 



(18x-2)=99-(21-28x)

We move all terms to the left:

(18x-2)-(99-(21-28x))=0

We add all the numbers together, and all the variables

(18x-2)-(99-(-28x+21))=0

We get rid of parentheses

18x-(99-(-28x+21))-2=0



We calculate terms in parentheses: -(99-(-28x+21)), so:

99-(-28x+21)

determiningTheFunctionDomain
-(-28x+21)+99

We get rid of parentheses

28x-21+99

We add all the numbers together, and all the variables

28x+78

Back to the equation:

-(28x+78)



We get rid of parentheses

18x-28x-78-2=0

We add all the numbers together, and all the variables

-10x-80=0

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

-10x=80

x=80/-10

x=-8

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