((−7)(x−8))=(a(8−x)) solve for a
\\\left( { (-7)\over(x-8) } \right) = \left( { (a)\over(8-x) } \right) }\\\\ \left( { (7)\over(8-x) } \right) = \left( { (a)\over(8-x) } \right) }\\\\ \boxed{7=a}
