21+2m=-7(8m-3)

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Solution for 21+2m=-7(8m-3) equation:


Simplifying
21 + 2m = -7(8m + -3)

Reorder the terms:
21 + 2m = -7(-3 + 8m)
21 + 2m = (-3 * -7 + 8m * -7)
21 + 2m = (21 + -56m)

Add '-21' to each side of the equation.
21 + -21 + 2m = 21 + -21 + -56m

Combine like terms: 21 + -21 = 0
0 + 2m = 21 + -21 + -56m
2m = 21 + -21 + -56m

Combine like terms: 21 + -21 = 0
2m = 0 + -56m
2m = -56m

Solving
2m = -56m

Solving for variable 'm'.

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

Add '56m' to each side of the equation.
2m + 56m = -56m + 56m

Combine like terms: 2m + 56m = 58m
58m = -56m + 56m

Combine like terms: -56m + 56m = 0
58m = 0

Divide each side by '58'.
m = 0

Simplifying
m = 0

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