Step 1: Simplify both sides of the inequality.
10x+20<40
Step 2: Subtract 20 from both sides.
10x+20−20<40−20
10x<20
Step 3: Divide both sides by 10.
[tex]\frac{10x}{10}[/tex] < [tex]\frac{20}{10}[/tex]
x<2
