document.write( "Question 323881: Find the x- and y-intercepts apply elimination or substitution to find the coordinates of the point of intersection.\r
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document.write( "15x + 11y = -17
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document.write( "8x - 6y = 74 \n" );
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Algebra.Com's Answer #231812 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 15x + 11y = -17................1 \n" ); document.write( "8x - 6y = 74...................2\r \n" ); document.write( "\n" ); document.write( "multiply equation 1 by 6 and equation 2 by 11 and add them. to eliminate y\r \n" ); document.write( "\n" ); document.write( ".. \n" ); document.write( "90x+66y=-102 \n" ); document.write( "88x-66y=814 \n" ); document.write( "178x=712 \n" ); document.write( "x= 712/178 \n" ); document.write( "x= 4\r \n" ); document.write( "\n" ); document.write( "plug the value of x in any equation\r \n" ); document.write( "\n" ); document.write( "90*4 +66y=-102 \n" ); document.write( "360+66y=-102 \n" ); document.write( "66y=-102-360 \n" ); document.write( "66y=-462 \n" ); document.write( "y=-7 \n" ); document.write( "The intercepts are (4, -7) \n" ); document.write( " |