8h-30=42

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Solution for 8h-30=42 equation: 


Simplifying
8h + -30 = 42

Reorder the terms:
-30 + 8h = 42

Solving
-30 + 8h = 42

Solving for variable 'h'.

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

Add '30' to each side of the equation.
-30 + 30 + 8h = 42 + 30

Combine like terms: -30 + 30 = 0
0 + 8h = 42 + 30
8h = 42 + 30

Combine like terms: 42 + 30 = 72
8h = 72

Divide each side by '8'.
h = 9

Simplifying
h = 9

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