Question

How many different variables are in the expression ? 1+ 6r-2(r-1)
? Name each variable

Answer 1

A variable is an unknown number and it is represented by a letter or some kind of symbol

Answer 2

In this case, there is only one variable and that is 'r'

Answer 3

The variable 'r' stands for some unknown number

Answer 4

Note: I'm assuming that those "1" terms are ones and not L's

Answer 5

they are 1

Answer 6

the number one?

Answer 7

sorry they look alike

Answer 8

yes

Answer 9

ok good, then yes, only 'r' is the variable

Answer 10

thank you

Answer 11

you're welcome

Answer 12

that is the answer?

Answer 13

yes