Question 507658
{{{ ( y - 30 ) / ( x - 5 ) = 7 }}}
{{{ y - 30 = 7*( x - 5 ) }}}
{{{ y - 30 = 7x - 35 }}}
{{{ y = 7x - 5 }}}
check:
does it go through (5,30) ?
{{{ 30 = 7*5 - 5 }}}
{{{ 30 = 35 - 5 }}}
{{{ 30 = 30 }}}
OK