Answer:
Explanation:
-y+4=72
-y=72-4
-y=68
y=-68
-z-10+72=180
-z=180-62
-z=118
z=-118
-3x+6=-z-10
-3x=-6+118-10
-3x=102
-x=34
x=-34
5.8m questions
7.5m answers