3h+21=6h

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Solution for 3h+21=6h equation:


Simplifying
3h + 21 = 6h

Reorder the terms:
21 + 3h = 6h

Solving
21 + 3h = 6h

Solving for variable 'h'.

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

Add '-6h' to each side of the equation.
21 + 3h + -6h = 6h + -6h

Combine like terms: 3h + -6h = -3h
21 + -3h = 6h + -6h

Combine like terms: 6h + -6h = 0
21 + -3h = 0

Add '-21' to each side of the equation.
21 + -21 + -3h = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -3h = 0 + -21
-3h = 0 + -21

Combine like terms: 0 + -21 = -21
-3h = -21

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

Simplifying
h = 7

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