Question

Is the given number a solution of the equation ?
13 d=8; 5

Answer 1

are you asking if 13*d = 8, then is d = 5?

Answer 2

i not sure. they have an option.
A. no
B. yes

Answer 3

if you assumed that the operation(s) involved is either addition or subtraction, then it makes sense

Answer 4

but that question alone is illogical