Respuesta :

Answer:

9a+7b

Step-by-step explanation:

1. 15a+5b-6a+2b

2. 9a+7b

To simply using the distributive property you have to multiply the number outside the parentheses ( ) with the numbers inside the parentheses (like in step 1).

To combine like terms you have to add the numbers with the same variable together (like in step 2).

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