30=(-3x/4)

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Solution for 30=(-3x/4) equation: 



30=(-3x/4)

We move all terms to the left:

30-((-3x/4))=0

We multiply all the terms by the denominator


-((-3x+30*4))=0



We calculate terms in parentheses: -((-3x+30*4)), so:

(-3x+30*4)

We add all the numbers together, and all the variables

(-3x+120)

We get rid of parentheses

-3x+120

Back to the equation:

-(-3x+120)



We get rid of parentheses

3x-120=0

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

3x=120

x=120/3

x=40

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