Question

solve.

-0.5x<-20
x=?

Answer 1

x > -200/-5

Answer 2

how did you get that?

Answer 3

x > 40

there are a few ways you can go with it really

Answer 4

if you notice that .5 is another way to write 1/2 then all you do is multiply both side by -2

Answer 5

i divided -20 by 0.5 and got 40, is that right?

Answer 6

thats correct; but whenever you multiply or divide by a negative; the sign in the middle flips

Answer 7

they dont tell you that when you do equations; becasue its rather redundant to flip and = sign

Answer 8

yes!! thank you!!