Respuesta :

ashley822
You have to isolate the a. Add fifteen to both sides of the equation, so it’s

2a=15-1

Then subtract 15 and 1, so then the quantity is 14

2a=14

Then divide 2 by both sides, and the answer is

a=7
joelwilliamjoel

Answer:


Step-by-step explanation:

okay so 2a-15=-1

step 1: Find 2a

           2a=-1+15=14.

           2a=14

Step : Find a

           a=14/2

           a=7.

Hope that helps :)

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