Question

What is the value of x

Answer 1

Answer:A straight line = 180°

So to find x we do 180-140=40

Tis is only 5x though we need to get x on its oown so we do 40÷5=8

x=8

Explanation:

Answer 2

8

Explanation:

5x+140=180

5x=180-140

5x=40

x=40/5

x=8