document.write( "Question 74603: what point lies in the solution set for the following system:
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document.write( "4x+y<1
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document.write( "8y-3x>24 \n" );
document.write( "
Algebra.Com's Answer #53578 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 4x+y<1 \n" ); document.write( "8y-3x>24 \n" ); document.write( "-------------- \n" ); document.write( "Rewrite as: \n" ); document.write( "4x+y=1 \n" ); document.write( "-3x+8y=4 \n" ); document.write( "------------ \n" ); document.write( "Multiply 1st equation by 8 to get: \n" ); document.write( "32x+8y=8 \n" ); document.write( "-3x+8y=4 \n" ); document.write( "--------- \n" ); document.write( "Subtract to get: \n" ); document.write( "35x=4 \n" ); document.write( "x=4/35 \n" ); document.write( "-------- \n" ); document.write( "Substitute to solve for \"y\" \n" ); document.write( "4(4/35)+y=1 \n" ); document.write( "y = 35/35-16/35 = 19/35 \n" ); document.write( "----------- \n" ); document.write( "The lines cross at (4/35,19/35) \n" ); document.write( "Sketch the line y=-4x+1 the point you want must be below it (less y value) \n" ); document.write( "such as (4/35,0) \n" ); document.write( "========= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |