If a+b+c=220
If b+c=140
If a+d =200
If d+c= 160
So what is the value of a, b, c, d ?
Answers
Answered by
3
Answer:
a=80,b=100,c=40 & d=120
Step-by-step explanation:
a+b+c=220
putting value of b+c
a+140=220
a=220-140
a=80
a+d=200
putting value of a
80+d=200
d=200-80
d=120
d+c=160
putting value of d
120+c=160
c=160-120
c=40
b+c=140
putting value of c
b+40=140
b=140-40
b=100
Answered by
0
a + b + c = 220
a + 140 = 220
a = 220 - 140
a = 80
a + d = 200
80 + d = 200
d = 200 - 80
d = 120
d + c = 160
120 + c = 160
c = 160 + 120
c = 40
again ,
a + b + c = 220
80 + b + 40 = 220
120 + b = 220
b = 220 - 120
b = 100
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