Question

Solve for a:
2a + b = c

Answer 1

2a + b = c
2a = c - b
a = (c-b)/2

Answer 2

`a=((c-b))/(2)`

Explanation:

Move the b over to the other side to get the 2a alone.

2a=c-b

Then divide the entire equation by 2 to get a instead of 2a.

`(2a)/(2) =(c-b)/(2)`

`a=((c-b))/(2)`