document.write( "Question 313157: m=3/4, (7,-1)
\n" ); document.write( "the equation of the line is y=
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Algebra.Com's Answer #223900 by texttutoring(324)\"\" \"About 
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Use y=mx+b, with x=7, y=-1 and m=3/4. Solve for b.\r
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\n" ); document.write( "\n" ); document.write( "y=mx+b
\n" ); document.write( "-1 = (3/4)7 + b
\n" ); document.write( "-1 = 21/4 + b
\n" ); document.write( "-1 - 21/4 = b
\n" ); document.write( "-4/4 - 21/4 = b
\n" ); document.write( "-25/4 = b\r
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\n" ); document.write( "\n" ); document.write( "The equation of the line is:\r
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\n" ); document.write( "\n" ); document.write( "y=(3/4)x -25/4
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