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what are the rules for solving equations. If x a b then x b a. After you enter the expression Algebra Calculator will solve the equation 4x72x1 for x to get x-3.
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Three Main Rules 1. Subtract 4 from each side of the equation. In this section we will explore methods for solving multi-step equations that contain grouping symbols and several mathematical operations.
Combine like terms on the left side of the equation.
Multiply or divide any values in front of the variable as needed. Now lets apply those rules to some examples. When solving a simple equation think of the equation as a balance with the equals sign being the fulcrum or center. Multi-step equations ones that takes several steps to solve can still be simplified and solved by applying basic algebraic rules such as the multiplication and addition properties of equality.
