Question

0.4x+7≤0.8x-2
solve.
(simplify your answer; type an inequality symbol then type an integer or fraction)

Answer 1

make your life easy and multiply by 10 to get
\[4x+70\leq8x-20\]

Answer 2

subtrac 4x from both sides, add 20 to both sides to get
\[90\leq 4x\]

Answer 3

then divide both sides by 4 and get
\[\frac{90}{4}\leq x\]

Answer 4

is that simplified?

Answer 5

I'm sorry I simplified this and it still says that it is wrong.