30=6(x+7)-8x

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Solution for 30=6(x+7)-8x equation: 



30=6(x+7)-8x

We move all terms to the left:

30-(6(x+7)-8x)=0



We calculate terms in parentheses: -(6(x+7)-8x), so:

6(x+7)-8x

We add all the numbers together, and all the variables

-8x+6(x+7)

We multiply parentheses

-8x+6x+42

We add all the numbers together, and all the variables

-2x+42

Back to the equation:

-(-2x+42)



We get rid of parentheses

2x-42+30=0

We add all the numbers together, and all the variables

2x-12=0

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

2x=12

x=12/2

x=6

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