Question

Solve for x
-2x-4>8

A. X < -6
B. x > -6
C. X < -2
D. X > -2

Answer 1

Get x by itself.

Answer 2

-2x = 8 + 4

Answer 3

Combine like terms.

Answer 4

-2x = 12

Answer 5

divide both sides by -2

Answer 6

x = -6

Answer 7

Now
the sign that u used is flipped

Answer 8

So instead of >, you have <

Answer 9

x<-6

Answer 10

because you divided by a negative number you switch the sign

Answer 11

Yes.

Answer 12

also, go back and insert > for all of the equal signs except the last step is <

Answer 13

I just show = because most people use = and don't realize that it's just a comparison

Answer 14

it's ok to solve it as if It were an equation but we do try to stay mathematically correct on this site

Answer 15

alright. thanks guys

Answer 16

-2x-4>8
add 4 to both sides
-2x>12
divide both sides by -2
x<-6

Answer 17

but also, keep in mind that x=-6 means that it has one solution whereas x<-6 is all of the numbers that are less than -6so we have many solutions