document.write( "Question 175146This question is from textbook algebra 1
\n" ); document.write( ": the question says determine whether the graphs of the equations are parallel lines\r
\n" ); document.write( "\n" ); document.write( "1.x+4=y
\n" ); document.write( "y-x=-3\r
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Algebra.Com's Answer #130211 by solver91311(24713) $\"\"$ $\"About$

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Solve both equations for $\"y\"$ , in other words, perform whatever algebraic manipulations you need to have $\"y\"$ on one side of the equal sign and everything else on the other side. Once you have done that, if the coefficient on the $\"x\"$ in both equations is exactly the same, then the lines are parallel -- otherwise not.\r
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