Question

Solve the following system using substitution.

6x + 3y= - 12
y= -2x -6
(3,-12)
no solution
infinitely many solutions
(2,0)

Answer 1

No solution

Explanation:

if you replace the y with -2x-6 into the first equation, you will get rid of the x's which it gives you the hint that there is no solution.