2.5(4-2m)=20

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Solution for 2.5(4-2m)=20 equation: 


Simplifying
2.5(4 + -2m) = 20
(4 * 2.5 + -2m * 2.5) = 20
(10 + -5m) = 20

Solving
10 + -5m = 20

Solving for variable 'm'.

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

Add '-10' to each side of the equation.
10 + -10 + -5m = 20 + -10

Combine like terms: 10 + -10 = 0
0 + -5m = 20 + -10
-5m = 20 + -10

Combine like terms: 20 + -10 = 10
-5m = 10

Divide each side by '-5'.
m = -2

Simplifying
m = -2

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