document.write( "Question 1190646: Solve the system by substitution, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x or y.)\r
\n" ); document.write( "\n" ); document.write( "y = 2x − 1
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Algebra.Com's Answer #822350 by ikleyn(52799) $\"\"$ $\"About$

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\n" ); document.write( "Solve the system by substitution, if possible.
\n" ); document.write( "(If the system is inconsistent, enter INCONSISTENT.
\n" ); document.write( "If the system is dependent, enter a general solution in terms of x or y.)
\n" ); document.write( "y = 2x − 1
\n" ); document.write( "x + y = 14
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document.write( "In the second equation, replace \"y\" by 2x-1, based on the first equation.\r\n" );
document.write( "You will get then single equation for unknown x\r\n" );
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document.write( "    x + (2x-1) = 14.\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    x + 2x = 14 + 1\r\n" );
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document.write( "      3x   =   15\r\n" );
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document.write( "       x   =   15/3 = 5.\r\n" );
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document.write( "Then from the first given equation you get\r\n" );
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document.write( "    y = 2*5-1 = 9.\r\n" );
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document.write( "ANSWER.  x= 5;  y= 9.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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