Answer:
a=c=7/2
b=9/2
d=19/2
Step-by-step explanation:
follow the above picture
we have 4 equations
a+b=8
b+c=8
d-c=6
a+d=13
now by solving first 2 we get
a=c
now by substituting it in equation we get answers as
7/2+9/2=8
9/2+7/2=8
19/2-7/2=6
7/2+19/2=13
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Answers & Comments
Answer:
a=c=7/2
b=9/2
d=19/2
Step-by-step explanation:
follow the above picture
we have 4 equations
a+b=8
b+c=8
d-c=6
a+d=13
now by solving first 2 we get
a=c
now by substituting it in equation we get answers as
a=c=7/2
b=9/2
d=19/2
7/2+9/2=8
9/2+7/2=8
19/2-7/2=6
7/2+19/2=13