7r*2s-4*r=

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Solution for 7r*2s-4*r= equation:


Simplifying
7r * 2s + -4r = 0

Reorder the terms for easier multiplication:
7 * 2r * s + -4r = 0

Multiply 7 * 2
14r * s + -4r = 0

Multiply r * s
14rs + -4r = 0

Reorder the terms:
-4r + 14rs = 0

Solving
-4r + 14rs = 0

Solving for variable 'r'.

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

Factor out the Greatest Common Factor (GCF), '2r'.
2r(-2 + 7s) = 0

Ignore the factor 2.

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 '(-2 + 7s)' equal to zero and attempt to solve: Simplifying -2 + 7s = 0 Solving -2 + 7s = 0 Move all terms containing r to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + 7s = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 7s = 0 + 2 7s = 0 + 2 Combine like terms: 0 + 2 = 2 7s = 2 Add '-7s' to each side of the equation. 7s + -7s = 2 + -7s Combine like terms: 7s + -7s = 0 0 = 2 + -7s Simplifying 0 = 2 + -7s 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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