9h+30+12h-2=

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Solution for 9h+30+12h-2= equation:


Simplifying
9h + 30 + 12h + -2 = 0

Reorder the terms:
30 + -2 + 9h + 12h = 0

Combine like terms: 30 + -2 = 28
28 + 9h + 12h = 0

Combine like terms: 9h + 12h = 21h
28 + 21h = 0

Solving
28 + 21h = 0

Solving for variable 'h'.

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

Add '-28' to each side of the equation.
28 + -28 + 21h = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 21h = 0 + -28
21h = 0 + -28

Combine like terms: 0 + -28 = -28
21h = -28

Divide each side by '21'.
h = -1.333333333

Simplifying
h = -1.333333333

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