Question

If x = a, y = b is the solution of the equations x + y = 50 and 4x + 5y = 225 find a and b

Answer 1

Answer:

Step-by-step explanation:

x=a. y=b on substituting

4a+5b=225 ----1

a+ b=50. ----2

×2 by 4

so

4a+5b=225

4a+4b=200

on solving we get

b=25

a=25