Jada is trying to determine the number of t-shirts that were in inventory before she started her shift. During her shift, she sold thirteen t-shirts, which left twenty-two t-shirts in inventory.

Question

-Define a variable.
-Write an equation Jada can use to determine the number of t-shirts that were in inventory before she started her shift.
- Solve the equation showing your work.

Answer 1

X = number of shirts

X - 13 = 22

Solve for X.

Answer 2

x = 35