Answer:
X = 40
Explanation:
3x + 2x -5 -15 = 180
5x + -20 = 180
then u add 20 on both sides
5x + 0 = 200
ya the 0 is not necessary but I was showing u add 20 on both sides lol
then u divide 5 on both sides to get the x by itself
x = 40
Hope this helps dude ^-^