4r*5=5r*t

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Solution for 4r*5=5r*t equation:


Simplifying
4r * 5 = 5r * t

Reorder the terms for easier multiplication:
4 * 5r = 5r * t

Multiply 4 * 5
20r = 5r * t

Multiply r * t
20r = 5rt

Solving
20r = 5rt

Solving for variable 'r'.

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

Add '-5rt' to each side of the equation.
20r + -5rt = 5rt + -5rt

Combine like terms: 5rt + -5rt = 0
20r + -5rt = 0

Factor out the Greatest Common Factor (GCF), '5r'.
5r(4 + -1t) = 0

Ignore the factor 5.

Subproblem 1

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

Subproblem 2

Set the factor '(4 + -1t)' equal to zero and attempt to solve: Simplifying 4 + -1t = 0 Solving 4 + -1t = 0 Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1t = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1t = 0 + -4 -1t = 0 + -4 Combine like terms: 0 + -4 = -4 -1t = -4 Add 't' to each side of the equation. -1t + t = -4 + t Combine like terms: -1t + t = 0 0 = -4 + t Simplifying 0 = -4 + t The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

r = {0}

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