20-3m-1=-4

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Solution for 20-3m-1=-4 equation: 


Simplifying
20 + -3m + -1 = -4

Reorder the terms:
20 + -1 + -3m = -4

Combine like terms: 20 + -1 = 19
19 + -3m = -4

Solving
19 + -3m = -4

Solving for variable 'm'.

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

Add '-19' to each side of the equation.
19 + -19 + -3m = -4 + -19

Combine like terms: 19 + -19 = 0
0 + -3m = -4 + -19
-3m = -4 + -19

Combine like terms: -4 + -19 = -23
-3m = -23

Divide each side by '-3'.
m = 7.666666667

Simplifying
m = 7.666666667

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