document.write( "Question 928750: solve by elimination
\n" ); document.write( "2x-5y=4 and 3x-2y=4 \n" ); document.write( "

Algebra.Com's Answer #563840 by MathLover1(20850) $\"\"$ $\"About$

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$\"2x-5y=4\"$ .......eq.1....both sides multiply by $\"3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"3x-2y=4\"$ .......eq.2....both sides multiply by $\"-2\"$
\n" ); document.write( "____________________________\r
\n" ); document.write( "\n" ); document.write( " $\"6x-15y=12\"$ .......eq.1
\n" ); document.write( " $\"-6x%2B4y=-8\"$ .......eq.2
\n" ); document.write( "____________________..............add\r
\n" ); document.write( "\n" ); document.write( " $\"6x-15y%2B%28-6x%2B4y%29=12%2B%28-8%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"cross%286x%29-15y-cross%286x%29%2B4y=12-8\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"-11y=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=4%2F-11\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=-4%2F11\"$ \r
\n" ); document.write( "\n" ); document.write( "now find $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2x-5y=4\"$ .......eq.1\r
\n" ); document.write( "\n" ); document.write( " $\"2x-5%28-4%2F11%29=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2x%2B20%2F11=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2x=4-20%2F11\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2x=44%2F11-20%2F11\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2x=24%2F11\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=%28cross%2824%2912%2F11%29%2Fcross%282%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=12%2F11\"$ \r
\n" ); document.write( "\n" ); document.write( "so, intersection point is: ( $\"12%2F11\"$ , $\"-4%2F11\"$ ) or as decimal ( $\"1.1\"$ , $\"-0.4\"$ )\r
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