21-3h=6-6h

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Solution for 21-3h=6-6h equation:


Simplifying
21 + -3h = 6 + -6h

Solving
21 + -3h = 6 + -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 = 6 + -6h + 6h

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

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

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

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

Combine like terms: 6 + -21 = -15
3h = -15

Divide each side by '3'.
h = -5

Simplifying
h = -5

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