2m-1.4m-8=4.2

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Solution for 2m-1.4m-8=4.2 equation:


Simplifying
2m + -1.4m + -8 = 4.2

Reorder the terms:
-8 + 2m + -1.4m = 4.2

Combine like terms: 2m + -1.4m = 0.6m
-8 + 0.6m = 4.2

Solving
-8 + 0.6m = 4.2

Solving for variable 'm'.

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

Add '8' to each side of the equation.
-8 + 8 + 0.6m = 4.2 + 8

Combine like terms: -8 + 8 = 0
0 + 0.6m = 4.2 + 8
0.6m = 4.2 + 8

Combine like terms: 4.2 + 8 = 12.2
0.6m = 12.2

Divide each side by '0.6'.
m = 20.33333333

Simplifying
m = 20.33333333

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