posted by kadeisha .
add the like terms together.a+b+a+2b
Okay. Well, the questoin says to add the like terms together, that means add the A's together and add the B's together.
Alright, so your a's and your first b don't have a number in front of them. That means the coefficient is one. So it's the same thing as
Now, since its addition, you can move the order of the equation without changing the meaning. Put the a's together and put the b's together.
Now add the coefficients.
1+1=2 so 1a+1a=2a
1+2=3 so 1b+2b=3b
Now your answer would be
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