Question

Which algebraic expression would not be equivalent if the number and the variable were reversed?
A.n + 8
B.m – 5
C.k x 8
D.4 + x

Answer 1

D?

Answer 2

Well, I would say B.
\(n+8\Rightarrow2+8=8+2\\
m-5\Rightarrow2-5\ne5-2\\
k\times8\Rightarrow2\times8=8\times2\\
4+x\Rightarrow4+2=2+4\)

Answer 3

that makes sense thanks :)

Answer 4

You are very welcome!