Linear Equation1

Linear Equation1 - other variable. • Check the solution...

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Linear Equations: Solutions Using Substitution with Two Variables To solve systems using substitution, follow this procedure:  •    Select one equation and solve it for one of its variables.   •    In the other equation, substitute for the variable just solved.   •    Solve the new equation.   •    Substitute the value found into any equation involving both variables and solve for the 
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Unformatted text preview: other variable. • Check the solution in both original equations. Usually, when using the substitution method, one equation and one of the variables leads to a quick solution more readily than the other. That's illustrated by the selection of x and the second equation in the following example....
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This note was uploaded on 11/10/2011 for the course MATH 1310 taught by Professor Staff during the Fall '07 term at Texas State.

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