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Mathematics
Sergio Lutz
19 December, 23:59
What value will make the equation true - 21-?=1.5
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Hailie Durham
20 December, 03:57
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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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