-2+2=0 because on the number line -2 is two spots from 0 then when u add a positive 2 it equals 0.
Answer:
x=32
Step-by-step explanation:
that is an isosceles triangle, meaning 2 sides are the same and 2 anlges are the same.
each traingle = 180 degrees
3x+2(x+10)=180
3x+2x+20=180
5x=160
x=32