0.2m=0.3(m+7)

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Solution for 0.2m=0.3(m+7) equation: 


Simplifying
0.2m = 0.3(m + 7)

Reorder the terms:
0.2m = 0.3(7 + m)
0.2m = (7 * 0.3 + m * 0.3)
0.2m = (2.1 + 0.3m)

Solving
0.2m = 2.1 + 0.3m

Solving for variable 'm'.

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

Add '-0.3m' to each side of the equation.
0.2m + -0.3m = 2.1 + 0.3m + -0.3m

Combine like terms: 0.2m + -0.3m = -0.1m
-0.1m = 2.1 + 0.3m + -0.3m

Combine like terms: 0.3m + -0.3m = 0.0
-0.1m = 2.1 + 0.0
-0.1m = 2.1

Divide each side by '-0.1'.
m = -21

Simplifying
m = -21

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