teranicole75 teranicole75

03-10-2018
Mathematics

contestada

fifteen added to the product of a number and 6 is 9. find the number

Respuesta :

jcherry99 jcherry99

03-10-2018

Remark

Start with the product

Let the unknown number = x

The unknown number x is multiplied by 6

At this point you get 6x

====================================

Now you add 15

6x + 15 = 9

Solve

6x + 15 = 9 Subtract 15 from both sides.

6x = 9 - 15 Collect the terms on the right.

6x = - 6 Divide by 6

x = - 6/ 6

x = - 1

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