document.write( "Question 373531: Find the slope of 9x + 12y = 4.
\n" ); document.write( "12y=-9x+4
\n" ); document.write( "why do you then devide by 12?
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Algebra.Com's Answer #265823 by edjones(8007)\"\" \"About 
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Because you have to get the equation into the slope-intercept form: y=mx+b
\n" ); document.write( "12y=-9x+4
\n" ); document.write( "y=-9x/12 + 4/12
\n" ); document.write( "=-3x/4 + 1/3
\n" ); document.write( "m=-3/4
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\n" ); document.write( "Ed
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