Question

Look at this number sentence.

( ? + 10 ) + 4 = 7 + ( 10 + 4 )

Answer 1

The answer is -5because you have to subtract 10 with -7 and it will give you 3 plus 4 is 7

Answer 2

x = 7

or

7 + 10 + 4 = 7 + 10 + 4

Explanation:

( ? + 10 ) + 4 = 7 + ( 10 + 4 )

x + 10 + 4 = 7 + 10 + 4 (the answer is just 7)

x + 14 = 21

x = 21 - 14

x = 7