1. find the solution for 12 + x = 20 from the numbers 32, 10, and 8.
A. 32
B. 10
C. 8
D. -81
2. find the solution for 15/d = 5 from the numbers 3, 10, and 20.
A. 3
B. 10
C. 20
D. none are a solution
3. find the solution for -4n = -16 from the numbers -4, 4, and 12.
A. -4
B. 4
C. 12
D. none are a solution