7(h-90)=21

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Solution for 7(h-90)=21 equation: 



7(h-90)=21

We move all terms to the left:

7(h-90)-(21)=0

We multiply parentheses

7h-630-21=0

We add all the numbers together, and all the variables

7h-651=0

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

7h=651

h=651/7

h=93

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