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90=15((h)1/2)
We move all terms to the left:
90-(15((h)1/2))=0
We add all the numbers together, and all the variables
-(15(+h1/2))+90=0
We multiply all the terms by the denominator
-(15(+h1+90*2))=0
We calculate terms in parentheses: -(15(+h1+90*2)), so:We get rid of parentheses
15(+h1+90*2)
We add all the numbers together, and all the variables
15(h+180)
We multiply parentheses
15h+2700
Back to the equation:
-(15h+2700)
-15h-2700=0
We move all terms containing h to the left, all other terms to the right
-15h=2700
h=2700/-15
h=-180
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