-4x≤20

Divide each term in -4x≤20 by -4. When multiplying or dividing both sides of an inequality by a negative value, flip the direction of the inequality sign.

-4x-4≥20-4

Cancel the common factor.

-4x-4≥20-4

Divide x by 1.

x≥20-4

x≥20-4

Divide 20 by -4.

x≥-5

The result can be shown in multiple forms.

Inequality Form:

x≥-5

Interval Notation:

[-5,∞)

Solve for x -4x<=20