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contestada

how many liters of water can the three containers hold in all? Container 1: (x-1) Container 2: x Container 3: (x+1)
A. 3x
B. x+3
C. 3x+1
D. x^2+x-1

Respuesta :

We know that:

Container 1: can hold [tex](x-1) [/tex]
Container 2:  can hold [tex](x) [/tex]
Container 3:  can hold  [tex](x+1) [/tex]

In total there are [tex]3x's [/tex]

[tex]-1+1 = 0 [/tex]

Therefore, the correct answer is 3x. 

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