Question

A+B=35
B+C=37
A+C=28
Solve for A, B, and C

Answer 1

A=35-B
C=37-C
A+C=28=>35-B+37-B=28=>72-2B=28=>2B=44=>B=22
A=13
C=15

Answer 2

B + C = 37
A + C = 28
->-A +B = 9
A + B = 35
=> 2B = 44
Thus B = 22,
A = 35 -22 = 13
C = 28 - 13 = 15