7(3-m)=21

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


Simplifying
7(3 + -1m) = 21
(3 * 7 + -1m * 7) = 21
(21 + -7m) = 21

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

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

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

Solving
-7m = 0

Solving for variable 'm'.

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

Divide each side by '-7'.
m = 0

Simplifying
m = 0

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