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Algebra Review: Solving Multi-Step Equations and Inequalities

In this algebra review, learn to solve multi-step equations and inequalities step-by-step. Understand the rules for operations and signs. Practice solving equations and graphing inequalities with open and closed circles. Master interval notation. Excel in algebra!

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Algebra Review: Solving Multi-Step Equations and Inequalities

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  1. Algebra Review: Solving Multi-Step Equations and Inequalities

  2. Solving Multi-step equations Remember: that you are trying to solve for the variable… that when you perform an operation on one side of the equal sign, you have to do the same thing on the other side of the equal sign… that you use opposite operations to remove something from one side of the equation…

  3. Solve each equation. 1. 2. 3. 4.

  4. Solve each equation.

  5. Solving multi-step inequalities Remember: that you use the same steps to solve an inequality that you use to solve equations… that if you multiply or divide on both sides by a negative number, you must flip the inequality sign...

  6. Solve each equation. Solving multi-step inequalities • Graphing • <, > are open circles –not included • ≤, ≥ are closed circles –included • shade right for greater than • shade left for less than • Interval Notation • (parenthesis) are open circle – not included • [brackets] are closed circles – included • ∞ (infinity) is always an open circle because there isn’t and endpoint

  7. Solve each inequality. Graph the solution and write the answer in interval notation. 1. 2. 3. 4.

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