4-5-2m=8

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Solution for 4-5-2m=8 equation: 


Simplifying
4 + -5 + -2m = 8

Combine like terms: 4 + -5 = -1
-1 + -2m = 8

Solving
-1 + -2m = 8

Solving for variable 'm'.

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

Add '1' to each side of the equation.
-1 + 1 + -2m = 8 + 1

Combine like terms: -1 + 1 = 0
0 + -2m = 8 + 1
-2m = 8 + 1

Combine like terms: 8 + 1 = 9
-2m = 9

Divide each side by '-2'.
m = -4.5

Simplifying
m = -4.5

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