30=8x+5(x-7)

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Solution for 30=8x+5(x-7) equation: 



30=8x+5(x-7)

We move all terms to the left:

30-(8x+5(x-7))=0



We calculate terms in parentheses: -(8x+5(x-7)), so:

8x+5(x-7)

We multiply parentheses

8x+5x-35

We add all the numbers together, and all the variables

13x-35

Back to the equation:

-(13x-35)



We get rid of parentheses

-13x+35+30=0

We add all the numbers together, and all the variables

-13x+65=0

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

-13x=-65

x=-65/-13

x=+5

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