Question

Solve the given system, using the substitution method.

y = 3x – 7
6x – 2y = 12

A.
There is no solution.

B.
There are an infinite number of solutions.

C.
(12, 14)

D.
(14, 12)

Answer 1

$y=3x-7\\ 6x-2y=12\\\\ 6x-2(3x-7)=12\\ 6x-6x+14=12\\ 14=12\\ x\in\emptyset \Rightarrow A$