Question

Write three integers that do not all have the same sign that have a sum of -20. Write three integers that do not all have the same sign that have a sum of 10.

Negative numbers and coordinate plane
ANSWERED
asked 2021-03-06
Write three integers that do not all have the same sign that have a sum of -20. Write three integers that do not all have the same sign that have a sum of 10.

Answers (1)

2021-03-07
Write two integers with opposite signs, say 2 and -10. When we add them, we obtain -8. To have a sum of -20, the third integer must be -12 so the three possible integers are:
2,-10,-12
Write two integers with opposite signs, say 7 and -5. When we add them, we obtain 2. To have a sum of 10, the third integer must be 8 so the three possible integers are: 7,-5,8
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