Question

Which expression is equivalent to 12x – 3x? *

8x
9
3(3x - x)
x(12-3)

Answer 1

x(12-3)

Explanation:

The expression given is equal to 9x. The only given answer equivalent to 9x is the last one, x(12-3).

Answer 2

X(12-3) which is 9x the same as the question