sofiaruizcastro08 sofiaruizcastro08

01-10-2021
Mathematics

contestada

Thirty decreased by three times a number is six less than
three times the number. What is the number?

Respuesta :

crissz67 crissz67

01-10-2021

Answer:

12

Step-by-step explanation:

let the number be a

30-3a= -6

collect the like terms

30+6=3a

3a=36

a=12

The number is 12

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