if y equals 3 what is 6y-5
Take 3, put parentheses around it like this
(3)
and then write 6y-5, but substitute (3) in place
of y, like this
6(3)-5
Multiply 6 times (3) getting 18.
Substitute 18 for the 6(3) and get
18-5
Then subtract 18-5, and get
13.
That's the answer.
Edwin
