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ser-zykov [4K]
3 years ago
14

What value will make the equation true -21-?=1.5

Mathematics
1 answer:
AfilCa [17]3 years ago
6 0

Answer: ? = -22.5

Step-by-step explanation:

Using a negative number to replace the ? turns the minus into a plus sign.

-21 - (-22.5) = 1.5 is the same as -21 + 22.5 = 1.5

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