Question

I need to know how to solve this

Answer 1

let's say (5x + 2) = y

then that means 118° + y = 180°(angle in a straight line)

therefore y =180 - 118= 62°

since y = 5x + 2

and y= 62°

therefore 5x + 2 = 62°

5x = 62- 2= 60°

therefore 5x = 60°

this means that x = 60 ÷5 = 12°