document.write( "Question 1059780: 4x – 3y = –10
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document.write( "7x + 3y = –12
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Algebra.Com's Answer #674832 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 4x – 3y = –10 \n" ); document.write( "7x + 3y = –12 When you see that adding them will make the y disappear, it becomes a lot easier. \n" ); document.write( "11x=-22 \n" ); document.write( "x=-2 \n" ); document.write( "substitute in the first (or second) \n" ); document.write( "4(-2)-3y=-10 \n" ); document.write( "-8-3y=-10 \n" ); document.write( "-3y=-2 \n" ); document.write( "y=2/3 \n" ); document.write( "Check in second equation \n" ); document.write( "7(-2)+3(2/3)=-14+2=-12, checks \n" ); document.write( "(-2,2/3) ANSWER \n" ); document.write( " |