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02-03-2018
Business

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12 less than the quantity of a number and 7 is -2

Respuesta :

02-03-2018

x= a number

Less than means to subtract from the quantity.

(x + 7) - 12= -2
add 12 to both sides
x + 7= 10
subtract 7 from both sides
x=3

ANSWER: A number equals 3.

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