21m=5(4m-6)

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Solution for 21m=5(4m-6) equation:


Simplifying
21m = 5(4m + -6)

Reorder the terms:
21m = 5(-6 + 4m)
21m = (-6 * 5 + 4m * 5)
21m = (-30 + 20m)

Solving
21m = -30 + 20m

Solving for variable 'm'.

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

Add '-20m' to each side of the equation.
21m + -20m = -30 + 20m + -20m

Combine like terms: 21m + -20m = 1m
1m = -30 + 20m + -20m

Combine like terms: 20m + -20m = 0
1m = -30 + 0
1m = -30

Divide each side by '1'.
m = -30

Simplifying
m = -30

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