Asked by Gwen

Simplify this expression.
y+2y+3z
A. 2y+3z
B. 3y+3z
C. 2y^2+3z
D. 6yz
Is the answer A?
Answered by PsyDAG
No.

y + 2y = ?
Answered by Gwen
So the answer is C? Because there is 2 y's.
Answered by Ms. Sue
Why did you square 2y?

Answered by Gwen
Because there are 2 y's...
Answered by Ms. Sue
two y's = 2y

Answered by Gwen
Do you mean ^2
Answered by Ms. Sue
No.

Let's say that y = 3

2y = 2 * 3 = 6

We don't square anything

Answered by Gwen
maybe B because 2y+y=3y+3z right?
Answered by Ms. Sue
Which is it? B or D?

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