7(m+6)=21

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Solution for 7(m+6)=21 equation: 


Simplifying
7(m + 6) = 21

Reorder the terms:
7(6 + m) = 21
(6 * 7 + m * 7) = 21
(42 + 7m) = 21

Solving
42 + 7m = 21

Solving for variable 'm'.

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

Add '-42' to each side of the equation.
42 + -42 + 7m = 21 + -42

Combine like terms: 42 + -42 = 0
0 + 7m = 21 + -42
7m = 21 + -42

Combine like terms: 21 + -42 = -21
7m = -21

Divide each side by '7'.
m = -3

Simplifying
m = -3

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