Question 415977
m  is the slope


its given that slope is 0

==>  {{{ (y-7)/(3-0)  = 0}}}

==> {{{ (y-7)/3  = 0}}}


cross multiply  ==>  {{{ (y-7)  = 3 X 0}}}


==>  {{{ y-7 =  0 }}}


==>  {{{ y-7 + 7  =  0 + 7 }}}

==>  {{{ y  = 7  }}}