Question

Solve 15 + a = 31 for a

Answer 1

Answer:

a = 16

Step-by-step explanation:

To solve your question all you have to do is subtract 15 on both sides so,

15 - 15 + a = 31 - 15

Which will give you,

15 - 15 = 0

31 - 15 = 16

So,

a = 16

Hope this helps!!

Answer 2

Answer:

16

Step-by-step explanation:

$15 + a = 31$

Move constant to R.H.S and change its sign

$a = 31 - 15$

Subtract the numbers

$a = 16$

Hope this helps..

Best regards!!