30=-5(4-x)

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



30=-5(4-x)

We move all terms to the left:

30-(-5(4-x))=0

We add all the numbers together, and all the variables

-(-5(-1x+4))+30=0



We calculate terms in parentheses: -(-5(-1x+4)), so:

-5(-1x+4)

We multiply parentheses

5x-20

Back to the equation:

-(5x-20)



We get rid of parentheses

-5x+20+30=0

We add all the numbers together, and all the variables

-5x+50=0

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

-5x=-50

x=-50/-5

x=+10

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