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Home > Study Help and Practice Problems > Math Help > Pre-Algebra > Pre-Algebra: Expressions and Equations

Pre-Algebra: Expressions and Equations Help and Problems

Find study help on expressions and equations for pre-algebra. Use the links below to select the specific area of pre-algebra expressions and equations you're looking for help with. Each guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn expressions and equations for pre-algebra.

Study Guides

showing 1 - 10 of 22
  • 1.

    Evaluating Algebraic Expressions Help

    The Basic Concepts of Expression and Equations In algebra, letters are used as variables. A variable can assume values of numbers. Numbers are called constants . Math Note: ...

    Source: McGraw-Hill Professional
  • 2.

    The Distributive Property Help

    The Distributive Property An important property that is often used in algebra is called the distributive property : For any numbers a, b, and c, a(b + c) = ab + ...

    Source: McGraw-Hill Professional
  • 3.

    Combining Like Terms Help

    Combining Like Terms Like terms have the same variables and the same exponents of the variables. For example, 3x and –5x are like terms because they have the same variables, whereas 5x and –8y are unlike ...

    Source: McGraw-Hill Professional
  • 4.

    Pre-Algebra: Combining Like Terms Practice Problems

    Combining Like Terms Practice Problems Set 1: Combing Like Terms To review the concept of combining like terms, go to Combining Like Terms Help

    Source: McGraw-Hill Professional
  • 5.

    Formulas Help

    Formulas In mathematics and science, many problems can be solved using formulas . A formula is a mathematical statement of a relationship of two or more variables. For example, the relationship between Fahrenheit ...

    Source: McGraw-Hill Professional
  • 6.

    Solving Simple Equations Help

    Solving Simple Equations An equation is a statement of equality of two algebraic expressions: e.g., 3 + 2 = 5 is an equation. An equation can contain one or more variables: e.g., x + 7 = 10 is an equation with one variable, x. ...

    Source: McGraw-Hill Professional
  • 7.

    Solving Equations Practice Problems

    Solving Equations Practice Problems Set 1: Solving Simple Equations To review the concept of solving linear equations, go to Solving Simple Equations Help

    Source: McGraw-Hill Professional
  • 8.

    Solving Difficult Equations Help

    Solving Difficult Equations When an equation has like terms on the same side, these terms can be combined first. Examples Example 1

    Source: McGraw-Hill Professional
  • 9.

    Algebraic Representation of Statements Help

    Algebraic Representation of Statements In order to solve word problems in algebra, it is necessary to translate the verbal statements into algebraic expressions. An unknown can be designated by a variable, usually x. For example, the statement ...

    Source: McGraw-Hill Professional
  • 10.

    Equations in Word Problems Help

    Equations in Word Problems Equations can be used to solve word problems in algebra. After reading the problem: Step 1 Represent one of the unknown quantities as x and ...

    Source: McGraw-Hill Professional
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