Question

Q2. Solve the following simultaneous equations by substitution method(2M)
x + y = 60 ; x - 3y = - 4

Answer 1

Answer:

x+y = 60

x-3y = -4

x = 3y-4

3y-4+y = 60

4y-4 = 60

4y = 64

y = 16

x = 3(16)-4

x = 48-4 = 44

Answer 2

Refer to the attachment.