Respuesta :

4(a+4)-2=34 (Multiply 4 with "A" and 4)
4a+16-2=34 (Do 16-2)
4a+14=34 (Minus 14 on both sides)
-14 -14
4a=20 (Divide 4a on both sides)
---------
4a 4a
=
a=5 (Answer: a=5)