21=2.8m

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Solution for 21=2.8m equation:


Simplifying
21 = 2.8m

Solving
21 = 2.8m

Solving for variable 'm'.

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

Add '-2.8m' to each side of the equation.
21 + -2.8m = 2.8m + -2.8m

Combine like terms: 2.8m + -2.8m = 0.0
21 + -2.8m = 0.0

Add '-21' to each side of the equation.
21 + -21 + -2.8m = 0.0 + -21

Combine like terms: 21 + -21 = 0
0 + -2.8m = 0.0 + -21
-2.8m = 0.0 + -21

Combine like terms: 0.0 + -21 = -21
-2.8m = -21

Divide each side by '-2.8'.
m = 7.5

Simplifying
m = 7.5

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