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PSYCHO15rus [73]
3 years ago
6

A+b-c =170 B+c-A= 130 solve​

Business
1 answer:
balu736 [363]3 years ago
8 0

The correct answer is A = 110, B= 40, C=20..

<u>Explanation</u>

If A+B-C= 170 and B+C-A=130 ,  

=C+A = 130

or, C= 130- A

Again, A+B-C =170

or, A+B =170+C

A+B = 170+130-A ( c=130-A)

A+B = 300-A

2A+B = 300

A+B= 300/2

A+B = 150

A+B-C= 170

A+B = 170+C

150 = 170 +C ( A+B = 150)

or, C = 20..............................(1.)

A+C =130

or,A+ 20= 130 ( A=110).....................(2)

A+B = 150

110+B= 150

B = 150-110

B= 40..........................................(3)

Therefore, A = 110, B= 40, C=20..

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