jika diketahui a+b=15, a+c = 63, b+c = 22. maka a+b+c = Bantu secepatnya ya

a = 15 - b
a + c = 63 --> 15 - b + c = 63 --> c = 48 + b
b + c = 22 --> b + 48 + b = 22 --> 2b = -26 --> b = -13
a = 15 - (-13) --> a = 28
c = 48 + (-13) --> c = 35

a + b + c = 28 + (-13) + 35 = 50