3=0.2m-1

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Solution for 3=0.2m-1 equation:


Simplifying
3 = 0.2m + -1

Reorder the terms:
3 = -1 + 0.2m

Solving
3 = -1 + 0.2m

Solving for variable 'm'.

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

Add '-0.2m' to each side of the equation.
3 + -0.2m = -1 + 0.2m + -0.2m

Combine like terms: 0.2m + -0.2m = 0.0
3 + -0.2m = -1 + 0.0
3 + -0.2m = -1

Add '-3' to each side of the equation.
3 + -3 + -0.2m = -1 + -3

Combine like terms: 3 + -3 = 0
0 + -0.2m = -1 + -3
-0.2m = -1 + -3

Combine like terms: -1 + -3 = -4
-0.2m = -4

Divide each side by '-0.2'.
m = 20

Simplifying
m = 20

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