-3(9h-4)=21-6h

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Solution for -3(9h-4)=21-6h equation: 



-3(9h-4)=21-6h

We move all terms to the left:

-3(9h-4)-(21-6h)=0

We add all the numbers together, and all the variables

-3(9h-4)-(-6h+21)=0

We multiply parentheses

-27h-(-6h+21)+12=0

We get rid of parentheses

-27h+6h-21+12=0

We add all the numbers together, and all the variables

-21h-9=0

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

-21h=9

h=9/-21

h=-3/7

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