If a + b - c = 4d, and if a - b + c = 4e, then a =	Options.
A) 2(d + e)  B) d – e  C) 3(d + e)/2  D) d-2e  E) e-d
2(d + e)dd both equations:   a + b - c = 4d   a - b + c = 4e   a+b-c+a-b+c=4d+4e   2a=4d+4e   a=2(d+e)   2(d + e)ns:2(d + e)
<result>A</result>
If a + b - c = 4d, and if a - b + c = 4e, then a =