document.write( "Question 1130338: Solve the systems of equations by using the substitution method. (If the system is dependent, enter a general solution in terms of c. If there is no solution, enter NO SOLUTION.)
\n" ); document.write( "{y = 3x− 7
\n" ); document.write( " y= 5x− 9
\n" ); document.write( "(x, y) =
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Algebra.Com's Answer #747015 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"y+=+3x-7\"$ .....eq.1
\n" ); document.write( " $\"y=+5x-9\"$ .....eq.2
\n" ); document.write( "-----------------------------------\r
\n" ); document.write( "\n" ); document.write( " $\"y+=+3x-7\"$ .....eq.1..........substitute $\"y\"$ from eq.2\r
\n" ); document.write( "\n" ); document.write( " $\"5x-9+=+3x-7\"$ .....solve for $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"5x-3x+=+9-7\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2x+=+2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+=+1\"$ \r
\n" ); document.write( "\n" ); document.write( "go to $\"y=+5x-9\"$ .....eq.2...substitute $\"1\"$ for $\"x\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"y=+5%2A1-9\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=+-4\"$ \r
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\n" ); document.write( "\n" ); document.write( "answer:\r
\n" ); document.write( "\n" ); document.write( "( $\"x\"$ , $\"y\"$ ) =( $\"1\"$ , $\"-4\"$ ) \r
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