Question 1041283
Use the general point-slope formula
{{{ ( y - 5 ) / ( x - 0 ) = -1 }}}
{{{ y - 5 = -x }}}
{{{ y = -x + 5 }}}
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check:
Does it go through ( 0,5 )?
{{{ 5 = -0 + 5 }}}
{{{ 5 = 5 }}}
OK