84=4(2m+7)

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Solution for 84=4(2m+7) equation:


Simplifying
84 = 4(2m + 7)

Reorder the terms:
84 = 4(7 + 2m)
84 = (7 * 4 + 2m * 4)
84 = (28 + 8m)

Solving
84 = 28 + 8m

Solving for variable 'm'.

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

Add '-8m' to each side of the equation.
84 + -8m = 28 + 8m + -8m

Combine like terms: 8m + -8m = 0
84 + -8m = 28 + 0
84 + -8m = 28

Add '-84' to each side of the equation.
84 + -84 + -8m = 28 + -84

Combine like terms: 84 + -84 = 0
0 + -8m = 28 + -84
-8m = 28 + -84

Combine like terms: 28 + -84 = -56
-8m = -56

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

Simplifying
m = 7

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