" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5 = (7 - a) / (-a - (-3))
5 = (7 - a) / (-a + 3)
5(-a + 3) = 7 - a
-5a + 15 = 7 - a
-5a + a = 7 - 15
-4a = - 8
a = 2 (C)