document.write( "Question 332182: please solve
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document.write( "y= 2x+5: (8, ), (-1, ), ( ,-1) \n" );
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Algebra.Com's Answer #238073 by texttutoring(324)![]() ![]() You can put this solution on YOUR website! (8, )\r \n" ); document.write( "\n" ); document.write( "You need to find the y value that corresponds to x=8:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y=2x+5 \n" ); document.write( "y=2(8)+5 \n" ); document.write( "y=16+5 \n" ); document.write( "y=21\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The point is (8,21).\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Similarly for x=-1:\r \n" ); document.write( "\n" ); document.write( "y=2(-1)+5 \n" ); document.write( "y=-2+5 \n" ); document.write( "y=3\r \n" ); document.write( "\n" ); document.write( "The point is (-1,3)\r \n" ); document.write( "\n" ); document.write( "The last one, they give you y=-1, and you have to find x:\r \n" ); document.write( "\n" ); document.write( "y=2x+5 \n" ); document.write( "-1 = 2x+5 \n" ); document.write( "-1-5 = 2x \n" ); document.write( "-6 = 2x \n" ); document.write( "-6/2 = x \n" ); document.write( "-3 = x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The point is (-3,-1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hope that helps! \n" ); document.write( " |