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Does -7 plus -14 equals -21?

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Anonymous

∙ 11y ago
Updated: 8/20/2019

Yes.

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Wiki User

∙ 11y ago
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What is two to the 4th power -1 plus 21 equals 14 equals 7 plus 3x5 plus?

This doesn't make any math sense:2⁴ - 1 + 21 = 14 = 7 +3 x 5


What is the value of a if ab plus ac equals 21 and b plus c equals 7?

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