document.write( "Question 310418: when it says what is the soulution of the system? use elimination. how would i do this 5x+7y=32 8x+6y=46 also, how would you graph this? \n" ); document.write( "

Algebra.Com's Answer #221942 by JBarnum(2146) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"5x%2B7y=32\"$
\n" ); document.write( " $\"8x%2B6y=46\"$ first off id reduce this equation to $\"4x%2B3y=23\"$
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\n" ); document.write( " $\"5x%2B7y=32\"$ multiply by 4
\n" ); document.write( " $\"4x%2B3y=23\"$ multiply by 5
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\n" ); document.write( " $\"20x%2B28y=128\"$
\n" ); document.write( " $\"20x%2B15y=115\"$ subtract equations
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\n" ); document.write( " $\"0%2B13y=13\"$
\n" ); document.write( " $\"y=1\"$
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\n" ); document.write( " $\"5x%2B7%281%29=32\"$
\n" ); document.write( " $\"5x=32-7\"$
\n" ); document.write( " $\"5x=25\"$
\n" ); document.write( " $\"x=5\"$
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\n" ); document.write( "point (5,1) is intersection
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\n" ); document.write( " $\"5x%2B7y=32\"$ ---> $\"y=%28-5%2F7%29x%2B%2832%2F7%29\"$ m=-5/7 y-int= 32/7 graph line
\n" ); document.write( " $\"4x%2B3y=23\"$ ---> $\"y=%28-4%2F3%29x%2B%2823%2F4%29\"$ m=-4/3 y-int= 23/4 graph line \n" ); document.write( "

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