3(h-8)=21

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Solution for 3(h-8)=21 equation: 


Simplifying
3(h + -8) = 21

Reorder the terms:
3(-8 + h) = 21
(-8 * 3 + h * 3) = 21
(-24 + 3h) = 21

Solving
-24 + 3h = 21

Solving for variable 'h'.

Move all terms containing h to the left, all other terms to the right.

Add '24' to each side of the equation.
-24 + 24 + 3h = 21 + 24

Combine like terms: -24 + 24 = 0
0 + 3h = 21 + 24
3h = 21 + 24

Combine like terms: 21 + 24 = 45
3h = 45

Divide each side by '3'.
h = 15

Simplifying
h = 15

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