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2 cards from this section. Quick, good the night before a test.
Solve the inequation: x + 6 < 10.
What can you subtract from both sides?
Solve: 2x - 1 ≤ 3.
Consider adding 1 to both sides.
What does the solution x < 5 represent?
Think about the direction of the inequality.
True or False: When multiplying both sides of an inequation by a negative number, you reverse the inequality.
Remember the rules for inequalities.
Solve the compound inequation: 2 < 3x - 2 < 8.
Break it down into two parts and solve each.
A company's profit is represented by the equation P = 50x - 2000. Find the minimum number of items (x) that need to be sold to ensure profit is at least zero.
Set the profit equation greater than or equal to zero.
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