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Recap: Between Two Numbers

Part of the Inequalities & Absolute Value section of Coddy's Algebra journey. Lesson 33 of 61.

Challenge

Medium

Solve $-7 < 2x+1 \le 5$ .

Try it yourself

-7 < 2x+1 \le 5

Get $x$ alone in the middle

All lessons in Inequalities & Absolute Value

1What an Inequality Is

The Four Signs A Picture on a Line Reading It Backwards Recap: What an Inequality Is

4Two-Step Inequalities

Two Steps Subtract, Then Flip With a Fraction A Bracket on the Way Recap: Two-Step Inequalities

7Between Two Numbers

Two Conditions at Once Solving a Chain Two Moves on All Parts When the Chain Flips Chains with FractionsRecap: Between Two Numbers

10Absolute Value Inequalities

Less Than: Between Between, Shifted Greater Than: Outside Outside, Shifted Isolate, Then Split Always or Never Recap: Absolute Inequalities

2Adding and Subtracting

Add to Both Sides Solve, Then Draw Recap: Adding and Subtracting

5Variables on Both Sides

x on Both Sides Gather Toward the Larger Brackets First Always True, Never True Recap: Variables on Both Sides

8One or the Other

Either Works Solving Each Part And versus Or Recap: One or the Other

11From Words to Inequalities

At Least, At Most More Than A Budget That Shrinks Two Limits Recap: From Words