12-.3m=.7(m+20)

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Solution for 12-.3m=.7(m+20) equation:


Simplifying
12 + -0.3m = 0.7(m + 20)

Reorder the terms:
12 + -0.3m = 0.7(20 + m)
12 + -0.3m = (20 * 0.7 + m * 0.7)
12 + -0.3m = (14 + 0.7m)

Solving
12 + -0.3m = 14 + 0.7m

Solving for variable 'm'.

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

Add '-0.7m' to each side of the equation.
12 + -0.3m + -0.7m = 14 + 0.7m + -0.7m

Combine like terms: -0.3m + -0.7m = -1m
12 + -1m = 14 + 0.7m + -0.7m

Combine like terms: 0.7m + -0.7m = 0.0
12 + -1m = 14 + 0.0
12 + -1m = 14

Add '-12' to each side of the equation.
12 + -12 + -1m = 14 + -12

Combine like terms: 12 + -12 = 0
0 + -1m = 14 + -12
-1m = 14 + -12

Combine like terms: 14 + -12 = 2
-1m = 2

Divide each side by '-1'.
m = -2

Simplifying
m = -2

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