21=-5-3m+2

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Solution for 21=-5-3m+2 equation:


Simplifying
21 = -5 + -3m + 2

Reorder the terms:
21 = -5 + 2 + -3m

Combine like terms: -5 + 2 = -3
21 = -3 + -3m

Solving
21 = -3 + -3m

Solving for variable 'm'.

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

Add '3m' to each side of the equation.
21 + 3m = -3 + -3m + 3m

Combine like terms: -3m + 3m = 0
21 + 3m = -3 + 0
21 + 3m = -3

Add '-21' to each side of the equation.
21 + -21 + 3m = -3 + -21

Combine like terms: 21 + -21 = 0
0 + 3m = -3 + -21
3m = -3 + -21

Combine like terms: -3 + -21 = -24
3m = -24

Divide each side by '3'.
m = -8

Simplifying
m = -8

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