Question

Simplify
16*2^a+1-4*2^a/16*2^a+2-2*2^a+2

Answer 1

32a+7×a/16 ×2a+2 =a

32a +7a/16 ×2a+2=a

32a + 14a/16 +2=a

2a +14a ×a +2=a

2a +14a+2a=a

18a=a

a=18a/a

=18