document.write( "Question 1179617: Solve by graphing. (If there is no solution, enter NO SOLUTION. Use the parameters x and y as necessary.)\r
\n" ); document.write( "\n" ); document.write( "x + y = 1
\n" ); document.write( "4x - y = -21
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Algebra.Com's Answer #809175 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"system%28y=-x%2B1%2Cy=4x%2B21%29\"\r
\n" ); document.write( "\n" ); document.write( "Use y-intercepts and slopes.\r
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\n" ); document.write( "\n" ); document.write( "\"graph%28400%2C400%2C-21%2C3%2C-3%2C21%2C-x%2B1%2C4x%2B21%29\"
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