Question

x = 40 - 2y x = -35 + 3y?

Answer 1

x = 40 - 2y      .(3)

x = -35 + 3y    .(2)

3x = 120 - 6y

2x = -70 + 6y

5x = 50

x = 10

10 = 40 - 2y

2y = 30

y = 30/2

y = 15