20=-2(m+3)+3

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Solution for 20=-2(m+3)+3 equation:


Simplifying
20 = -2(m + 3) + 3

Reorder the terms:
20 = -2(3 + m) + 3
20 = (3 * -2 + m * -2) + 3
20 = (-6 + -2m) + 3

Reorder the terms:
20 = -6 + 3 + -2m

Combine like terms: -6 + 3 = -3
20 = -3 + -2m

Solving
20 = -3 + -2m

Solving for variable 'm'.

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

Add '2m' to each side of the equation.
20 + 2m = -3 + -2m + 2m

Combine like terms: -2m + 2m = 0
20 + 2m = -3 + 0
20 + 2m = -3

Add '-20' to each side of the equation.
20 + -20 + 2m = -3 + -20

Combine like terms: 20 + -20 = 0
0 + 2m = -3 + -20
2m = -3 + -20

Combine like terms: -3 + -20 = -23
2m = -23

Divide each side by '2'.
m = -11.5

Simplifying
m = -11.5

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