5m-(m-3)=-21

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Solution for 5m-(m-3)=-21 equation:


Simplifying
5m + -1(m + -3) = -21

Reorder the terms:
5m + -1(-3 + m) = -21
5m + (-3 * -1 + m * -1) = -21
5m + (3 + -1m) = -21

Reorder the terms:
3 + 5m + -1m = -21

Combine like terms: 5m + -1m = 4m
3 + 4m = -21

Solving
3 + 4m = -21

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + -3 + 4m = -21 + -3

Combine like terms: 3 + -3 = 0
0 + 4m = -21 + -3
4m = -21 + -3

Combine like terms: -21 + -3 = -24
4m = -24

Divide each side by '4'.
m = -6

Simplifying
m = -6

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