Question

Which of the ordered pairs is a solution of the system of equations?

y = -3/5x

x - 3y = -42

Answer 1

(-0.0429,13.9857) AND (-41.957, 0.0143)

Answer 2

i dont get this answer

Answer 3

??

Answer 4

y = -3/5x --------------------------eq(1)
x - 3y = -42-------------------------eq(2)

(1)->(2): x-3(-3/5x)=-42
5x^2 -210x+9=0
x=-0.042901 , x=-41.9571

Substitute those x into eq(1) to find y.