(9x+3x=4)-(7x+6x-9)

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Solution for (9x+3x=4)-(7x+6x-9) equation: 



(9x+3x=4)-(7x+6x-9)

We move all terms to the left:

(9x+3x-(4)-(7x+6x-9))=0

We add all the numbers together, and all the variables

(9x+3x-4-(13x-9))=0



We calculate terms in parentheses: +(9x+3x-4-(13x-9)), so:

9x+3x-4-(13x-9)

determiningTheFunctionDomain
9x+3x-(13x-9)-4

We add all the numbers together, and all the variables

12x-(13x-9)-4

We get rid of parentheses

12x-13x+9-4

We add all the numbers together, and all the variables

-1x+5

Back to the equation:

+(-1x+5)



We get rid of parentheses

-1x+5=0

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

-x=-5

x=-5/-1

x=+5

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