20h-(5h+9)+(7-9h)=(12h-5)

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Solution for 20h-(5h+9)+(7-9h)=(12h-5) equation:


Simplifying
20h + -1(5h + 9) + (7 + -9h) = (12h + -5)

Reorder the terms:
20h + -1(9 + 5h) + (7 + -9h) = (12h + -5)
20h + (9 * -1 + 5h * -1) + (7 + -9h) = (12h + -5)
20h + (-9 + -5h) + (7 + -9h) = (12h + -5)

Remove parenthesis around (7 + -9h)
20h + -9 + -5h + 7 + -9h = (12h + -5)

Reorder the terms:
-9 + 7 + 20h + -5h + -9h = (12h + -5)

Combine like terms: -9 + 7 = -2
-2 + 20h + -5h + -9h = (12h + -5)

Combine like terms: 20h + -5h = 15h
-2 + 15h + -9h = (12h + -5)

Combine like terms: 15h + -9h = 6h
-2 + 6h = (12h + -5)

Reorder the terms:
-2 + 6h = (-5 + 12h)

Remove parenthesis around (-5 + 12h)
-2 + 6h = -5 + 12h

Solving
-2 + 6h = -5 + 12h

Solving for variable 'h'.

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

Add '-12h' to each side of the equation.
-2 + 6h + -12h = -5 + 12h + -12h

Combine like terms: 6h + -12h = -6h
-2 + -6h = -5 + 12h + -12h

Combine like terms: 12h + -12h = 0
-2 + -6h = -5 + 0
-2 + -6h = -5

Add '2' to each side of the equation.
-2 + 2 + -6h = -5 + 2

Combine like terms: -2 + 2 = 0
0 + -6h = -5 + 2
-6h = -5 + 2

Combine like terms: -5 + 2 = -3
-6h = -3

Divide each side by '-6'.
h = 0.5

Simplifying
h = 0.5

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