Question

plz solve this ...It's mind blowing question​

Answer 1

Step-by-step explanation:

Let all numbers in boxes be w,x,y,z

w+x=8

y-z=6

w+y=13

x+z=8

now,

w+x=x+z

=w=z

y-z+7=w+y

=2z=7

=z=3.5

w=3.5

x=4.5

y=9.5

z=3.5

Answer 2

Answer is given up .....