Question

What is the value of x in the triangle to the right? (7x+3) 85 50

Answer 1

Answer: x = 6

Explanation:

(7x+3)+85+50 = 180

(7x+3)+135 = 180

7x+3 = 180 - 135 = 45

7x = 45-3 = 42

x = 42 / 7 = 6

x = 6