document.write( "Question 511639: Find x if the slope of a line that passes through the points to [4.3 ] and B[x,7] is equal to 4. \n" ); document.write( "

Algebra.Com's Answer #342328 by oberobic(2304) $\"\"$ $\"About$

You can put this solution on YOUR website!
y = mx+b
\n" ); document.write( ".
\n" ); document.write( "y = 4x + b
\n" ); document.write( ".
\n" ); document.write( "Use the point (4,3) to find b.
\n" ); document.write( ".
\n" ); document.write( "3 = 4*4 + b
\n" ); document.write( "-13 = b
\n" ); document.write( ".
\n" ); document.write( "y = 4x -13
\n" ); document.write( ".
\n" ); document.write( "y =7
\n" ); document.write( ".
\n" ); document.write( "7 = 4x -13
\n" ); document.write( "20 = 4x
\n" ); document.write( "x = 5
\n" ); document.write( ".
\n" ); document.write( " $\"graph%28500%2C500%2C-15%2C15%2C-15%2C15%2C4%2Ax-13%29\"$ \n" ); document.write( "

\n" );