Help me Solve the system of equations

Question

Help me Solve the system of equations:

x = y-8

5x-y = 0

for

x = ?

y= ?

Answer 1

x = (y-8)

5x-y = 0

Using substitution,

5(y-8) - y = 0

5y-40-y = 0

4y = 40

y=10

x = (10)-8 = 4

so x = 4, y = 10