well lets say i have to subtract 34 and 20 which is 14 so i would take the sum and the subtractor which is 20 the i would do 20 plus 14 which is 34
Hope this helps!
Answer:
i think its 6.5
Step-by-step explanation:
42/7 = 6
3/6 = 0.5
6+0.5=6.5
so A = 64a +45
(
so B = 108 +a
2A-B=0--> 2(64a+45)-108-a=0--> a =18/127
A = 1/2 (13) ( 9 +9)
A = 1/2 (13) (18)
A = 117