Question

The expression y + y + 2y is equivalent to ??
because ??

Answer 1

4y

They would have the same value if a number was substituted for y

Explanation:

y+y+2y =

Combine like terms

4y

These are all like terms

They would have the same value if a number was substituted for y

Let y = 5

5+5+2(5) = 5+5+10 = 20

4(5) =20