((7x+30)+(9x+42))=104

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Solution for ((7x+30)+(9x+42))=104 equation: 



((7x+30)+(9x+42))=104

We move all terms to the left:

((7x+30)+(9x+42))-(104)=0



We calculate terms in parentheses: +((7x+30)+(9x+42)), so:

(7x+30)+(9x+42)

We get rid of parentheses

7x+9x+30+42

We add all the numbers together, and all the variables

16x+72

Back to the equation:

+(16x+72)



We get rid of parentheses

16x+72-104=0

We add all the numbers together, and all the variables

16x-32=0

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

16x=32

x=32/16

x=2

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