Question

c+15*60=2000
317+ (130 - а)=350
720:9 -- а=29
405 -(216+В)=94

Answer 1

c + 900 = 2000
c = 1100

130 - a = 33
a = 97

80 - a = 29
a = 51

216 + b = 311
b = 95