Question

What is the solution to the system of equations? Use the substitution method.

y=3x-4
9x-3y=14

A. There is no solution
B. (12, 14)
C. (14, 12)
D. There an infinite number of solutions.

Answer 1

{ y = 3 x - 4
9x -3y = 14

Subsititute y = 3x-4 :

[ 9 x - 3 ( 3 x-14 )=14]

Refine:

9 x - 3 ( 3 x - 4 ) = 14

- 2 = 0

is false , therefore the system of equations has no solution

Answer A

hope this helps!