30=3h+9

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Solution for 30=3h+9 equation:


Simplifying
30 = 3h + 9

Reorder the terms:
30 = 9 + 3h

Solving
30 = 9 + 3h

Solving for variable 'h'.

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

Add '-3h' to each side of the equation.
30 + -3h = 9 + 3h + -3h

Combine like terms: 3h + -3h = 0
30 + -3h = 9 + 0
30 + -3h = 9

Add '-30' to each side of the equation.
30 + -30 + -3h = 9 + -30

Combine like terms: 30 + -30 = 0
0 + -3h = 9 + -30
-3h = 9 + -30

Combine like terms: 9 + -30 = -21
-3h = -21

Divide each side by '-3'.
h = 7

Simplifying
h = 7

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