document.write( "Question 719378: How do i put x-y = -3 in a y = mx+b form? \n" ); document.write( "
Algebra.Com's Answer #441338 by Edwin McCravy(20063)\"\" \"About 
You can put this solution on YOUR website!
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document.write( " x-y = -3\r\n" );
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document.write( "Subtract x from both sides:\r\n" );
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document.write( " x-y = -3\r\n" );
document.write( "-x       -x\r\n" );
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document.write( "  -y = -3-x\r\n" );
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document.write( "Consider that as\r\n" );
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document.write( " -1y = -3-1x\r\n" );
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document.write( "Divide every number by the coefficient of y which is -1\r\n" );
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document.write( " \"%28-1%29%2F%28-1%29\"y = \"%28-3%29%2F%28-1%29\"-\"1%2F%28-1%29\"x\r\n" );
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document.write( "Simplify\r\n" );
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document.write( " y = 3-(-1)x\r\n" );
document.write( " y = 3+x\r\n" );
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document.write( "Reverse the terms on the right\r\n" );
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document.write( " y = x+3\r\n" );
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document.write( "That can also be written \r\n" );
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document.write( " y = 1x+3\r\n" );
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document.write( "So that is in y=mx+b form, called the slope-intercept form.\r\n" );
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document.write( "The slope = m = 1, and the y-intercept is (0,b) = (0,3)\r\n" );
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document.write( "Edwin
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