Question

An angle is 30° less than three times its complement . Find the angle.

Answer 1

x=3(90-x)-30

x=270-3x-30

4x=240

x=60°

Answer 2

let angle be x

Step-by-step explanation:

x+(30 +3x)=90

x+3x=90-30

4x=60

x=60÷4

x=15