We have learned that, in in an algebraic expression, letters can stand for numbers. When we substitute a specific value for each variable, and then perform the operations, it's called evaluating the expression. Let's evaluate the expression 3y + 2y when 5 = y.

7 0

3 years ago

vicky has already taken 25 pages of notes on her own and she will take 5 pages during each hour of class. in all how many hours

Lilit [14]

The answer 24..................

5 0

3 years ago

A number (n) is equal to 60 decreased by 3 times the number. what is the value of n?

scoray [572]

$n = 60 - 3n \\ 4n = 60 \\ n = 15$

3 0

3 years ago