Question

Which number replaces the box to make this a true number sentence?

5 × (9 – 3) = (5 × 9) – ( × 3)


A.
45

B.
30

C.
5

D.
3

Answer 1

C. 5

Explanation:

first expression 5 × (9-3) = 30

second one 45 - 3x

to make it 30 = 30

x should be = 5