21=7(m-2)

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


Simplifying
21 = 7(m + -2)

Reorder the terms:
21 = 7(-2 + m)
21 = (-2 * 7 + m * 7)
21 = (-14 + 7m)

Solving
21 = -14 + 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.
21 + -7m = -14 + 7m + -7m

Combine like terms: 7m + -7m = 0
21 + -7m = -14 + 0
21 + -7m = -14

Add '-21' to each side of the equation.
21 + -21 + -7m = -14 + -21

Combine like terms: 21 + -21 = 0
0 + -7m = -14 + -21
-7m = -14 + -21

Combine like terms: -14 + -21 = -35
-7m = -35

Divide each side by '-7'.
m = 5

Simplifying
m = 5

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