84=7(2x-9)

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Solution for 84=7(2x-9) equation: 



84=7(2x-9)

We move all terms to the left:

84-(7(2x-9))=0



We calculate terms in parentheses: -(7(2x-9)), so:

7(2x-9)

We multiply parentheses

14x-63

Back to the equation:

-(14x-63)



We get rid of parentheses

-14x+63+84=0

We add all the numbers together, and all the variables

-14x+147=0

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

-14x=-147

x=-147/-14

x=10+1/2

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