9=2.1-0.25m

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Solution for 9=2.1-0.25m equation: 


Simplifying
9 = 2.1 + -0.25m

Solving
9 = 2.1 + -0.25m

Solving for variable 'm'.

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

Add '0.25m' to each side of the equation.
9 + 0.25m = 2.1 + -0.25m + 0.25m

Combine like terms: -0.25m + 0.25m = 0.00
9 + 0.25m = 2.1 + 0.00
9 + 0.25m = 2.1

Add '-9' to each side of the equation.
9 + -9 + 0.25m = 2.1 + -9

Combine like terms: 9 + -9 = 0
0 + 0.25m = 2.1 + -9
0.25m = 2.1 + -9

Combine like terms: 2.1 + -9 = -6.9
0.25m = -6.9

Divide each side by '0.25'.
m = -27.6

Simplifying
m = -27.6

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