dles9787 dles9787

11-07-2019
Mathematics

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Three consecutive integers have a sum of –21. Which equation can be used to find the value of the three numbers?
x+x+x=-21
x+2x+3x=-21
x+(x+1)+(x+2)=-21
x+(x+2)+(x+4)=-21

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Abinatamang Abinatamang

11-07-2019

Answer:

The third one, x+(x+1)+(x+2)=-21 because x, x+1 and x+2 are three consecutive numbers.

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