400m=2km

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Solution for 400m=2km equation:


Simplifying
400m = 2km

Solving
400m = 2km

Solving for variable 'm'.

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

Add '-2km' to each side of the equation.
-2km + 400m = 2km + -2km

Combine like terms: 2km + -2km = 0
-2km + 400m = 0

Factor out the Greatest Common Factor (GCF), '2m'.
2m(-1k + 200) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'm' equal to zero and attempt to solve: Simplifying m = 0 Solving m = 0 Move all terms containing m to the left, all other terms to the right. Simplifying m = 0

Subproblem 2

Set the factor '(-1k + 200)' equal to zero and attempt to solve: Simplifying -1k + 200 = 0 Reorder the terms: 200 + -1k = 0 Solving 200 + -1k = 0 Move all terms containing m to the left, all other terms to the right. Add '-200' to each side of the equation. 200 + -200 + -1k = 0 + -200 Combine like terms: 200 + -200 = 0 0 + -1k = 0 + -200 -1k = 0 + -200 Combine like terms: 0 + -200 = -200 -1k = -200 Add 'k' to each side of the equation. -1k + k = -200 + k Combine like terms: -1k + k = 0 0 = -200 + k Simplifying 0 = -200 + k The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

m = {0}

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