Question 712160
Use the point slope formula:
{{{ ( y - 7 ) / ( x -(-2) ) = 4 }}}
{{{ y - 7 = 4*(  x + 2 ) }}}
{{{ y - 7 = 4x + 8 }}}
{{{ y = 4x + 15 }}}
check:
(-2,7)
{{{ 7 = 4*(-2) + 15 }}}
{{{ 7 = -8 + 15 }}}
{{{ 7 = 7 }}}
OK