20=-10(-3+m)

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Solution for 20=-10(-3+m) equation: 


Simplifying
20 = -10(-3 + m)
20 = (-3 * -10 + m * -10)
20 = (30 + -10m)

Solving
20 = 30 + -10m

Solving for variable 'm'.

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

Add '10m' to each side of the equation.
20 + 10m = 30 + -10m + 10m

Combine like terms: -10m + 10m = 0
20 + 10m = 30 + 0
20 + 10m = 30

Add '-20' to each side of the equation.
20 + -20 + 10m = 30 + -20

Combine like terms: 20 + -20 = 0
0 + 10m = 30 + -20
10m = 30 + -20

Combine like terms: 30 + -20 = 10
10m = 10

Divide each side by '10'.
m = 1

Simplifying
m = 1

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