4 years ago

2a - 15 = -1 Explain how you got the answer please

Mathematics

2 answers:

Oduvanchick [21]4 years ago

6 0

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 :)

Kisachek [45]4 years ago

4 0

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

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