A*B=A*5

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Solution for A*B=A*5 equation:


Simplifying
A * B = A * 5

Multiply A * B
AB = A * 5

Reorder the terms for easier multiplication:
AB = 5A

Solving
AB = 5A

Solving for variable 'A'.

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

Add '-5A' to each side of the equation.
-5A + AB = 5A + -5A

Combine like terms: 5A + -5A = 0
-5A + AB = 0

Factor out the Greatest Common Factor (GCF), 'A'.
A(-5 + B) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(-5 + B)' equal to zero and attempt to solve: Simplifying -5 + B = 0 Solving -5 + B = 0 Move all terms containing A to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + B = 0 + 5 Combine like terms: -5 + 5 = 0 0 + B = 0 + 5 B = 0 + 5 Combine like terms: 0 + 5 = 5 B = 5 Add '-1B' to each side of the equation. B + -1B = 5 + -1B Combine like terms: B + -1B = 0 0 = 5 + -1B Simplifying 0 = 5 + -1B The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

A = {0}

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