Question

solve these question​

Answer 1

Answer:

3.5

4.5

9.5

3.5

Step-by-step explanation:

a+b=8

a+c=13

-----------

c-d=6

b+d=8

----------

c+b=14

a+b-a-c=8-13

b-c=-5

2b=9

b=4.5

as we know b value

by substituting it in a+b=8

we get a =3.5

in same way

c=9.5

d=3.5

Answer 2

Answer:

$3.5 + 4.5 = 8 \\ + \: \: \: \: \: \: \: \: \: \: \: + \\ 9.5 - 3.5 = 6 \\ \binom{?}{?}$