-(6+8m)+4m=-21-m

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Solution for -(6+8m)+4m=-21-m equation:


Simplifying
-1(6 + 8m) + 4m = -21 + -1m
(6 * -1 + 8m * -1) + 4m = -21 + -1m
(-6 + -8m) + 4m = -21 + -1m

Combine like terms: -8m + 4m = -4m
-6 + -4m = -21 + -1m

Solving
-6 + -4m = -21 + -1m

Solving for variable 'm'.

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

Add 'm' to each side of the equation.
-6 + -4m + m = -21 + -1m + m

Combine like terms: -4m + m = -3m
-6 + -3m = -21 + -1m + m

Combine like terms: -1m + m = 0
-6 + -3m = -21 + 0
-6 + -3m = -21

Add '6' to each side of the equation.
-6 + 6 + -3m = -21 + 6

Combine like terms: -6 + 6 = 0
0 + -3m = -21 + 6
-3m = -21 + 6

Combine like terms: -21 + 6 = -15
-3m = -15

Divide each side by '-3'.
m = 5

Simplifying
m = 5

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