Question

How do you work y=2x-1
X=-6

Answer 1

all you do is work backward to get the true value of y
y=2x-1
0=2x-1
then solve this should get you the answer x=1
so the two xvalues are -6 and 1

Answer 2

Multiply 2 by -6.

y=2x-1
y=2(-6)-1
y= -12-1
y= -13