31=h-15+2h-8

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Solution for 31=h-15+2h-8 equation:


Simplifying
31 = h + -15 + 2h + -8

Reorder the terms:
31 = -15 + -8 + h + 2h

Combine like terms: -15 + -8 = -23
31 = -23 + h + 2h

Combine like terms: h + 2h = 3h
31 = -23 + 3h

Solving
31 = -23 + 3h

Solving for variable 'h'.

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

Add '-3h' to each side of the equation.
31 + -3h = -23 + 3h + -3h

Combine like terms: 3h + -3h = 0
31 + -3h = -23 + 0
31 + -3h = -23

Add '-31' to each side of the equation.
31 + -31 + -3h = -23 + -31

Combine like terms: 31 + -31 = 0
0 + -3h = -23 + -31
-3h = -23 + -31

Combine like terms: -23 + -31 = -54
-3h = -54

Divide each side by '-3'.
h = 18

Simplifying
h = 18

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