7xy-4x=0

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Solution for 7xy-4x=0 equation: 


Simplifying
7xy + -4x = 0

Reorder the terms:
-4x + 7xy = 0

Solving
-4x + 7xy = 0

Solving for variable 'x'.

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

Factor out the Greatest Common Factor (GCF), 'x'.
x(-4 + 7y) = 0


Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

Subproblem 2
Set the factor '(-4 + 7y)' equal to zero and attempt to solve:

Simplifying
-4 + 7y = 0

Solving
-4 + 7y = 0

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

Add '4' to each side of the equation.
-4 + 4 + 7y = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 7y = 0 + 4
7y = 0 + 4

Combine like terms: 0 + 4 = 4
7y = 4

Add '-7y' to each side of the equation.
7y + -7y = 4 + -7y

Combine like terms: 7y + -7y = 0
0 = 4 + -7y

Simplifying
0 = 4 + -7y

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

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