2h+9=-h

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Solution for 2h+9=-h equation:


Simplifying
2h + 9 = -1h

Reorder the terms:
9 + 2h = -1h

Solving
9 + 2h = -1h

Solving for variable 'h'.

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

Add 'h' to each side of the equation.
9 + 2h + h = -1h + h

Combine like terms: 2h + h = 3h
9 + 3h = -1h + h

Combine like terms: -1h + h = 0
9 + 3h = 0

Add '-9' to each side of the equation.
9 + -9 + 3h = 0 + -9

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

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

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

Simplifying
h = -3

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