document.write( "Question 1201449: Given the following system of equations, identify the type of system.\r
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\n" ); document.write( "\n" ); document.write( "y = -x + 4\r
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Algebra.Com's Answer #835827 by ikleyn(52788)\"\" \"About 
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\n" ); document.write( "Given the following system of equations, identify the type of system.\r
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document.write( "     y = -x + 4\r\n" );
document.write( "    2x + 2y = 8\r\n" );
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document.write( "The starting equations are\r\n" );
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document.write( "     y = -x + 4\r\n" );
document.write( "    2x + 2y = 8\r\n" );
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document.write( "Write equations in standard form\r\n" );
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document.write( "    x +  y = 4\r\n" );
document.write( "   2x + 3y = 8\r\n" );
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document.write( "You see that the second equation is the doubled the first one.\r\n" );
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document.write( "In other words, two equations of the system are equivalent.\r\n" );
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document.write( "It is the same as if the system consists of one equation in two unknowns.\r\n" );
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document.write( "Such a system of equations is consistent and has infinitely many solutions.\r\n" );
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\n" ); document.write( "\n" ); document.write( "See the lesson\r
\n" ); document.write( "\n" ); document.write( "    - Geometric interpretation of the linear system of two equations in two unknowns \r
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