84=3-(20x-1)

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Solution for 84=3-(20x-1) equation: 



84=3-(20x-1)

We move all terms to the left:

84-(3-(20x-1))=0



We calculate terms in parentheses: -(3-(20x-1)), so:

3-(20x-1)

determiningTheFunctionDomain
-(20x-1)+3

We get rid of parentheses

-20x+1+3

We add all the numbers together, and all the variables

-20x+4

Back to the equation:

-(-20x+4)



We get rid of parentheses

20x-4+84=0

We add all the numbers together, and all the variables

20x+80=0

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

20x=-80

x=-80/20

x=-4

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