document.write( "Question 635307: solve the systems of equations by substitution y = 8 - 3x/2
\n" ); document.write( " y = 3x/4 -1
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Algebra.Com's Answer #400245 by Maths68(1474)\"\" \"About 
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\"y=8-3x%2F2\"...............(1)
\n" ); document.write( "\"y=3x%2F4-1\"...............(2)
\n" ); document.write( "Substitute the value of y from (1) to (2)
\n" ); document.write( "\"8-3x%2F2=3x%2F4-1\"
\n" ); document.write( "\"%2816-3x%29%2F2=%283x-4%29%2F4\"
\n" ); document.write( "\"%284%29%2816-3x%29%2F2=3x-4\"
\n" ); document.write( "\"cross%284%29%2816-3x%29%2Fcross%282%29=3x-4\"
\n" ); document.write( "\"%282%29%2816-3x%29=3x-4\"
\n" ); document.write( "\"32-6x=3x-4\"
\n" ); document.write( "\"-6x-3x=-4-32\"
\n" ); document.write( "\"-9x=-36\"
\n" ); document.write( "\"-9x%2F-9=-36%2F-9\"
\n" ); document.write( "\"cross%28-9%29x%2Fcross%28-9%29=cross%28-36%29%2Fcross%28-9%29\"
\n" ); document.write( "\"x=4\"\r
\n" ); document.write( "\n" ); document.write( "Put the value of x in (1)
\n" ); document.write( "\"y=8-3x%2F2\"...............(1)
\n" ); document.write( "\"y=8-3%284%29%2F2\"
\n" ); document.write( "\"y=8-12%2F2\"
\n" ); document.write( "\"y=8-cross%2812%29%2Fcross%282%29\"
\n" ); document.write( "\"y=8-6\"
\n" ); document.write( "\"y=2\"\r
\n" ); document.write( "\n" ); document.write( "x,y=4,2\r
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\n" ); document.write( "\n" ); document.write( "Check
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\n" ); document.write( "Put the value of x and y in (1)
\n" ); document.write( "\"y=8-3x%2F2\"...............(1)
\n" ); document.write( "\"2=8-3%284%29%2F2\"
\n" ); document.write( "\"2=8-12%2F2\"
\n" ); document.write( "\"2=8-cross%2812%29%2Fcross%282%29\"
\n" ); document.write( "\"2=8-6\"
\n" ); document.write( "\"2=2\"\r
\n" ); document.write( "\n" ); document.write( "Put the value of x and y in (2)
\n" ); document.write( "\"y=3x%2F4-1\"...............(2)
\n" ); document.write( "\"2=3%284%29%2F4-1\"
\n" ); document.write( "\"2=3cross%284%29%2Fcross%284%29-1\"
\n" ); document.write( "\"2=3-1\"
\n" ); document.write( "\"2=2\"\r
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