Question 1141849
If y is missing but x is known, just use the given equation and evaluate y.


If y is known but x is missing, then solve your equation for x in terms of y.
{{{-7x+8=y}}}
{{{-7x=y-8}}}
{{{x=y/(-7)-8/(-7)}}}
{{{x=8/7-y/7}}}