(7x-9=2x+12,x)

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Solution for (7x-9=2x+12,x) equation: 



(7x-9=2x+12.x)

We move all terms to the left:

(7x-9-(2x+12.x))=0

We add all the numbers together, and all the variables

(7x-9-(+14x))=0



We calculate terms in parentheses: +(7x-9-(+14x)), so:

7x-9-(+14x)

determiningTheFunctionDomain
7x-(+14x)-9

We get rid of parentheses

7x-14x-9

We add all the numbers together, and all the variables

-7x-9

Back to the equation:

+(-7x-9)



We get rid of parentheses

-7x-9=0

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

-7x=9

x=9/-7

x=-1+2/7

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