Question

Solve this:- By substitution method x+3y = 16 4x+y = 18

Answer 1

Answer:

Step-by-step explanation:

x+3y=16

4x+y=18

from equ 2

y=18-4x

sub the above in first equ

x+3(18-4x)=16

x+54-12x=16

-11x=-38

11x=38

x=3.45

y=18-4(3.45)

y=4.2

Answer 2

Step-by-step explanation:

Your solution is in above pic.