SOLUTION: 9) Solve 0.8x+8 <= 1.2x-9

Question 146900: 9) Solve
0.8x+8 <= 1.2x-9
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given inequality.

Multiply both sides by 10 to clear out the decimals.

Distribute and multiply.

Subtract from both sides.

Subtract from both sides.

Combine like terms on the left side.

Combine like terms on the right side.

Divide both sides by to isolate . note: Remember, the inequality sign flips when we divide both sides by a negative number.

Reduce.

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Answer:

So the answer is

Which approximates to