4*(2-m)=m+9

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Solution for 4*(2-m)=m+9 equation: 


Simplifying
4(2 + -1m) = m + 9
(2 * 4 + -1m * 4) = m + 9
(8 + -4m) = m + 9

Reorder the terms:
8 + -4m = 9 + m

Solving
8 + -4m = 9 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
8 + -4m + -1m = 9 + m + -1m

Combine like terms: -4m + -1m = -5m
8 + -5m = 9 + m + -1m

Combine like terms: m + -1m = 0
8 + -5m = 9 + 0
8 + -5m = 9

Add '-8' to each side of the equation.
8 + -8 + -5m = 9 + -8

Combine like terms: 8 + -8 = 0
0 + -5m = 9 + -8
-5m = 9 + -8

Combine like terms: 9 + -8 = 1
-5m = 1

Divide each side by '-5'.
m = -0.2

Simplifying
m = -0.2

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