Question

X-3y=1
4x+5y=4
Can you do substitution?

Answer 1

4 - 3 (4) = 1

4(3) + 5(3) = 4




4 - 3(4) = 1

4 - 12 = 1

-8 = 1



4(3) + 5(3) = 4

12 + 15 = 4

27 = 4


Your answers are: -8 = 1, and 27 = 4.


I hope I helped u. :)