document.write( "Question 265518: the following problem represents calculations of the slops. How do i solve for the variable?\r
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document.write( "70-y
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document.write( "____ = 0.5??\r
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document.write( "0-8 \r
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document.write( "how do i figure out what variable \" y\" is?\r
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document.write( "can you please explain the methods that you would use to go about solving a question such as this? thank you very much \n" );
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Algebra.Com's Answer #195233 by Theo(13342)![]() ![]() You can put this solution on YOUR website! your equation is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(70-y) / (0-8) = .5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify this to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(70-y) / (-8) = .5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiply both sides of this equation by (-8) to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(70-y) = .5 * (-8)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "70 - y = -4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract 70 from both sides of this equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-y = -4 - 70\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-y = -74\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiply both sides by (-1) to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = 74\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "confirm by substituting for y in your original equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(70 - 74) / (-8) = .5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-4 / (-8) = .5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ".5 = .5 confirming the value for y is good.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |