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

addition and multiplication are commutative(means the equation remains same even when reversed), subtraction and division are not. So what will the answer be?

Answer 2

m-5

Answer 3

thats right

Answer 4

Commutative Property is NOT satisfied for Subtraction and Division...

Example: x + 9 = 9 + x

x * 9 = 9 * x

But x - 9 Not equal to 9 - x