Example26 - If the substitution method produces a sentence...

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Example 1 Solve this system of equations by using substitution. Solve for x in the second equation. Substitute for x in the other equation. Solve this new equation. Substitute the value found for y into any equation involving both variables. Check the solution in both original equations.
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The solution is x = 1, y = –2.
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Unformatted text preview: If the substitution method produces a sentence that is always true, such as 0 = 0, then the system is dependent, and either original equation is a solution. If the substitution method produces a sentence that is always false, such as 0 = 5, then the system is inconsistent, and there is no solution....
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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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Example26 - If the substitution method produces a sentence...

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