I(x)=20x-2x

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Solution for I(x)=20x-2x equation: 


Simplifying
I(x) = 20x + -2x

Multiply I * x
xI = 20x + -2x

Combine like terms: 20x + -2x = 18x
xI = 18x

Solving
xI = 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-18x + xI = 18x + -18x

Combine like terms: 18x + -18x = 0
-18x + xI = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-18 + I) = 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 '(-18 + I)' equal to zero and attempt to solve:

Simplifying
-18 + I = 0

Solving
-18 + I = 0

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

Add '18' to each side of the equation.
-18 + 18 + I = 0 + 18

Combine like terms: -18 + 18 = 0
0 + I = 0 + 18
I = 0 + 18

Combine like terms: 0 + 18 = 18
I = 18

Add '-1I' to each side of the equation.
I + -1I = 18 + -1I

Combine like terms: I + -1I = 0
0 = 18 + -1I

Simplifying
0 = 18 + -1I

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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