9h+3(4-h)=90

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Solution for 9h+3(4-h)=90 equation:



9h+3(4-h)=90
We move all terms to the left:
9h+3(4-h)-(90)=0
We add all the numbers together, and all the variables
9h+3(-1h+4)-90=0
We multiply parentheses
9h-3h+12-90=0
We add all the numbers together, and all the variables
6h-78=0
We move all terms containing h to the left, all other terms to the right
6h=78
h=78/6
h=13

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