-9h-15=21

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Solution for -9h-15=21 equation: 


Simplifying
-9h + -15 = 21

Reorder the terms:
-15 + -9h = 21

Solving
-15 + -9h = 21

Solving for variable 'h'.

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

Add '15' to each side of the equation.
-15 + 15 + -9h = 21 + 15

Combine like terms: -15 + 15 = 0
0 + -9h = 21 + 15
-9h = 21 + 15

Combine like terms: 21 + 15 = 36
-9h = 36

Divide each side by '-9'.
h = -4

Simplifying
h = -4

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