8m-4=20

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Solution for 8m-4=20 equation: 


Simplifying
8m + -4 = 20

Reorder the terms:
-4 + 8m = 20

Solving
-4 + 8m = 20

Solving for variable 'm'.

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

Add '4' to each side of the equation.
-4 + 4 + 8m = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 8m = 20 + 4
8m = 20 + 4

Combine like terms: 20 + 4 = 24
8m = 24

Divide each side by '8'.
m = 3

Simplifying
m = 3

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