Question

Solve the following pair of the lines equations by the substitution method. p – y = 4 p + y =14

Answer 1

Answer:

p=9 & y=5

Step-by-step explanation:

Given,p-y=4_______(1)

and p+y=14_______(2)

from eqn (1),

p=4+y______________(3)

now,

Substituting the value of p in eqn (2)

=>4+y+y=14

=>4+2y=14

=>2y=14-4

=>y=10/2

=>y=5

now,

substituting the value of y in eqn (3)

=>p=4+5

=>p=9

•: p=9 & y=5