21=-10m-3

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Solution for 21=-10m-3 equation:


Simplifying
21 = -10m + -3

Reorder the terms:
21 = -3 + -10m

Solving
21 = -3 + -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.
21 + 10m = -3 + -10m + 10m

Combine like terms: -10m + 10m = 0
21 + 10m = -3 + 0
21 + 10m = -3

Add '-21' to each side of the equation.
21 + -21 + 10m = -3 + -21

Combine like terms: 21 + -21 = 0
0 + 10m = -3 + -21
10m = -3 + -21

Combine like terms: -3 + -21 = -24
10m = -24

Divide each side by '10'.
m = -2.4

Simplifying
m = -2.4

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