Question

What value correctly fills in the blank so that the expressions are equivalent? 18 + 45 = blank x (2 + 5) 2 3 7 9

Answer 1

x=9

Explanation:

18+45 =x (2+5), so

63 = ? * 7 divide bothe sides by 7

x=63/7=9

Answer 2

9

Explanation:

18 divided by 9 is 2 and 45 divided by 9 is 5 so 9(2+5) is equal to 18+45