4.2=3-0.002m

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Solution for 4.2=3-0.002m equation:


Simplifying
4.2 = 3 + -0.002m

Solving
4.2 = 3 + -0.002m

Solving for variable 'm'.

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

Add '0.002m' to each side of the equation.
4.2 + 0.002m = 3 + -0.002m + 0.002m

Combine like terms: -0.002m + 0.002m = 0.000
4.2 + 0.002m = 3 + 0.000
4.2 + 0.002m = 3

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 0.002m = 3 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 0.002m = 3 + -4.2
0.002m = 3 + -4.2

Combine like terms: 3 + -4.2 = -1.2
0.002m = -1.2

Divide each side by '0.002'.
m = -600

Simplifying
m = -600

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