Astudent solved z + (-0.72) = -2.5 for z using the
following steps.
step 1: z+(-0.72) + (-0.72) = -2.5+ (-0.72)
step 2:
z = -2.5+ (-0.72)
step 3:
-3.22
what was the student's error?
✓
done
intro

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.