90=(16-x)30

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Solution for 90=(16-x)30 equation: 



90=(16-x)30

We move all terms to the left:

90-((16-x)30)=0

We add all the numbers together, and all the variables

-((-1x+16)30)+90=0



We calculate terms in parentheses: -((-1x+16)30), so:

(-1x+16)30

We multiply parentheses

-30x+480

Back to the equation:

-(-30x+480)



We get rid of parentheses

30x-480+90=0

We add all the numbers together, and all the variables

30x-390=0

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

30x=390

x=390/30

x=13

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