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

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



X=(3X+4)+(7X-9)

We move all terms to the left:

X-((3X+4)+(7X-9))=0



We calculate terms in parentheses: -((3X+4)+(7X-9)), so:

(3X+4)+(7X-9)

We get rid of parentheses

3X+7X+4-9

We add all the numbers together, and all the variables

10X-5

Back to the equation:

-(10X-5)



We get rid of parentheses

X-10X+5=0

We add all the numbers together, and all the variables

-9X+5=0

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

-9X=-5

X=-5/-9

X=5/9

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