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Determine the number that makes the equation true.

22 + 3 = – 8

  • A

    36

  • B

    43

  • C

    33

  • D

    30

The correct answer is 33.


Solution:
Consider the given equation.
22 + 3 = – 8

To determine the missing number, first, we need to find: 22 + 3.

Which gives:
22 + 3 = 25

Then,
22 + 3 =  – 8

25 = – 8

Next, to find the missing number we find: 25 + 8.

Which gives:
25 + 8 = 33

So,

22 + 3 = 33 – 8

That is, number 33 makes the equation true.