Question

Determine o valor de 13x+5°+5x+40°+85°+5x=180

Answer 1

13x+5x+5x=180-5-40-85
23x=50
x=50:23
x=2,17

Answer 2

13x+5x+5x=180°-5°-40°-85°
23x=175°-125°
23x=50°
x=50°÷23
x=2.17391304