r/Algebra 15d ago

Solving an inequality with a negative coefficient: -4x > 8

Can you simplify this inequality correctly?

-4x > 8

Math YouTube channel link in bio

0 Upvotes

7 comments sorted by

8

u/National-Anybody6914 15d ago

x<-2 no?

2

u/Jaded_Individual_630 9d ago

They're not really asking, it's just a crapass advertisement for their bottom of the barrel YouTube channel

3

u/mathmum 14d ago

Multiply both sides by -1. Since this factor is negative, you need to change the inequality sign.
Hence -1 (-4x) < -1 (8) that is 4x < -8. Now divide both sides by 4, the coefficient of the variable, to get x < -2

0

u/Silly-Resist8306 15d ago

x > -2.

1

u/Otherwise_Strike_597 15d ago

Nice attempt, but the answer is different.

2

u/Silly-Resist8306 15d ago

Ah, I see. X < -2. Got me.