document.write( "Question 1157629: Write the equation 7x + 5y = 40 in slope-intercept form (y = mx + b). \n" ); document.write( "
Algebra.Com's Answer #780492 by Edwin McCravy(20055)\"\" \"About 
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document.write( "\"7x+%2B+5y+=+40\"\r\n" );
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document.write( "Add -7x to both sides to cancel away the term in x and leave only the term in y.\r\n" );
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document.write( "\"-7x%2B7x+%2B+5y+=+-7x%2B40\"\r\n" );
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document.write( "Combine like terms on the left.\r\n" );
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document.write( "\"5y+=+-7x%2B40\"\r\n" );
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document.write( "Divide every term by the coefficient of y, which is 5.\r\n" );
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document.write( "\"5y%2F5+=+expr%28%28-7%29%2F5%29x%2B40%2F5\"\r\n" );
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document.write( "\"y=expr%28-7%2F5%29x%2B8\"   \r\n" );
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document.write( "That's the answer.\r\n" );
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document.write( "Compare that to \r\n" );
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document.write( "\"y=mx%2Bb\"\r\n" );
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document.write( "and you'll see that m corresponds to -7/5 and b corresponds to 8\r\n" );
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document.write( "So m = -7/5 and b = 8\r\n" );
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document.write( "Edwin
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