30=9-3h

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Solution for 30=9-3h equation:


Simplifying
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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