78=(5x-9)+(2x+10)

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Solution for 78=(5x-9)+(2x+10) equation: 



78=(5x-9)+(2x+10)

We move all terms to the left:

78-((5x-9)+(2x+10))=0



We calculate terms in parentheses: -((5x-9)+(2x+10)), so:

(5x-9)+(2x+10)

We get rid of parentheses

5x+2x-9+10

We add all the numbers together, and all the variables

7x+1

Back to the equation:

-(7x+1)



We get rid of parentheses

-7x-1+78=0

We add all the numbers together, and all the variables

-7x+77=0

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

-7x=-77

x=-77/-7

x=+11

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