.75(m+12)=21

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Solution for .75(m+12)=21 equation:


Simplifying
0.75(m + 12) = 21

Reorder the terms:
0.75(12 + m) = 21
(12 * 0.75 + m * 0.75) = 21
(9 + 0.75m) = 21

Solving
9 + 0.75m = 21

Solving for variable 'm'.

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

Add '-9' to each side of the equation.
9 + -9 + 0.75m = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 0.75m = 21 + -9
0.75m = 21 + -9

Combine like terms: 21 + -9 = 12
0.75m = 12

Divide each side by '0.75'.
m = 16

Simplifying
m = 16

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