84=-7(m-4)

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Solution for 84=-7(m-4) equation:


Simplifying
84 = -7(m + -4)

Reorder the terms:
84 = -7(-4 + m)
84 = (-4 * -7 + m * -7)
84 = (28 + -7m)

Solving
84 = 28 + -7m

Solving for variable 'm'.

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

Add '7m' to each side of the equation.
84 + 7m = 28 + -7m + 7m

Combine like terms: -7m + 7m = 0
84 + 7m = 28 + 0
84 + 7m = 28

Add '-84' to each side of the equation.
84 + -84 + 7m = 28 + -84

Combine like terms: 84 + -84 = 0
0 + 7m = 28 + -84
7m = 28 + -84

Combine like terms: 28 + -84 = -56
7m = -56

Divide each side by '7'.
m = -8

Simplifying
m = -8

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