petrarulojohn1 petrarulojohn1

11-09-2019
Mathematics

contestada

the difference of twelve times a number and nine times the number

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chloephillips125 chloephillips125

11-09-2019

Answer:

3 times a number (3x)

Step-by-step explanation: replace the phrase 'a number' with the variable X. then you simply end up with 12x-9x, which equals 3x.

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