90=49+(7x-1)

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Solution for 90=49+(7x-1) equation: 



90=49+(7x-1)

We move all terms to the left:

90-(49+(7x-1))=0



We calculate terms in parentheses: -(49+(7x-1)), so:

49+(7x-1)

determiningTheFunctionDomain
(7x-1)+49

We get rid of parentheses

7x-1+49

We add all the numbers together, and all the variables

7x+48

Back to the equation:

-(7x+48)



We get rid of parentheses

-7x-48+90=0

We add all the numbers together, and all the variables

-7x+42=0

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

-7x=-42

x=-42/-7

x=+6

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