20=.5(m-8)

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Solution for 20=.5(m-8) equation:


Simplifying
20 = 0.5(m + -8)

Reorder the terms:
20 = 0.5(-8 + m)
20 = (-8 * 0.5 + m * 0.5)
20 = (-4 + 0.5m)

Solving
20 = -4 + 0.5m

Solving for variable 'm'.

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

Add '-0.5m' to each side of the equation.
20 + -0.5m = -4 + 0.5m + -0.5m

Combine like terms: 0.5m + -0.5m = 0.0
20 + -0.5m = -4 + 0.0
20 + -0.5m = -4

Add '-20' to each side of the equation.
20 + -20 + -0.5m = -4 + -20

Combine like terms: 20 + -20 = 0
0 + -0.5m = -4 + -20
-0.5m = -4 + -20

Combine like terms: -4 + -20 = -24
-0.5m = -24

Divide each side by '-0.5'.
m = 48

Simplifying
m = 48

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