double the first and you have
-4x-2y = 2
-4x-2y = -1
so, what do you think? Can -4x-2y be both?
What is the solution of the following system?
{-2x - y = 1
{-4x - 2y = -1
a.) infinitely many solutions
b.) no solutions
c.) (3,8)
d.) (-3, -8)
1 answer
1 answer