Question

What’s the value of x?

Answer 1

x = -11

Explanation:

The sum of the angles of a triangle add to 180

x+50 + 72+ x+80 = 180

Combine like terms

2x + 202 = 180

Subtract 202 from each side

2x+202-202 = 180-202

2x =-22

Divide each side by 2

2x/2 = -22/2

x = -11