document.write( "Question 1015780: find the solution\r
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\n" ); document.write( "\n" ); document.write( "x − 3y = −5
\n" ); document.write( "4x + 3y = 25
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Algebra.Com's Answer #632159 by ikleyn(52790) $\"\"$ $\"About$

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\n" ); document.write( "find the solution\r
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\n" ); document.write( "\n" ); document.write( " x - 3y = -5
\n" ); document.write( "4x + 3y = 25
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document.write( " x  - 3y  = -5    (1)\r\n" );
document.write( "4x  + 3y  = 25    (2)\r\n" );
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document.write( "Add the two equations, (1) and (2) (both sides).\r\n" );
document.write( "Then the terms with 3y will cancel each other, and you will get a single equation for x:\r\n" );
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document.write( "5x = -5 + 25,   or\r\n" );
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document.write( "5x = 20.\r\n" );
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document.write( "Do you know what to do next?\r\n" );
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document.write( "Please complete the solution yourself.\r\n" );
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