Question

10. What should be added to the sum of -25 and 20 to make it equal to the sum of
- 19 and 18?

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Answer 1

Answer:

4

Step-by-step explanation:

(-25+20) + x = -19+18

(-25+20) + x = -19+18-5 + x = -1

(-25+20) + x = -19+18-5 + x = -1x = -1+5 = 4