Question

Given: -2x < 10.

Choose the solution set.

{x | x > -20}
{x | x < -20}
{x | x > -5}
{x | x < -5}

Answer 1

@nikkiv73 what do you think?

Answer 2

last option x<-5

Answer 3

let's see

\[\frac{ -2 }{ 2 }x < \frac{ 10 }{ -2 }\]

\[x > -5\]

whenever you divide by a negative number you change the sign of the inequality

Answer 4

OH!

Answer 5

OK I didnt know that - thank you that helps a lot!