document.write( "Question 170615: the equation of a line y=mx-1. what is the value of m if the line passes through the point (2,3) \n" ); document.write( "
Algebra.Com's Answer #125936 by Alan3354(69443)\"\" \"About 
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the equation of a line y=mx-1. what is the value of m if the line passes through the point (2,3)
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\n" ); document.write( "Sub 2 for x and 3 for y
\n" ); document.write( "3 = m*2 - 1
\n" ); document.write( "2m = 4
\n" ); document.write( "m = 2
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\n" ); document.write( "y-y1 = m*(x-x1) (x1,y1) is the point (2,3)
\n" ); document.write( "y-3 = 2*(x-2)
\n" ); document.write( "y-3 = 2x-4
\n" ); document.write( "y = 2x-1 slope-intercept form
\n" ); document.write( "2x-y = 1 standard form\r
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