30=3x-4(5x+18)

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Solution for 30=3x-4(5x+18) equation: 



30=3x-4(5x+18)

We move all terms to the left:

30-(3x-4(5x+18))=0



We calculate terms in parentheses: -(3x-4(5x+18)), so:

3x-4(5x+18)

We multiply parentheses

3x-20x-72

We add all the numbers together, and all the variables

-17x-72

Back to the equation:

-(-17x-72)



We get rid of parentheses

17x+72+30=0

We add all the numbers together, and all the variables

17x+102=0

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

17x=-102

x=-102/17

x=-6

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