Question

Comprobación de, -7d-5=5d+1 por favor!!

Answer 1

Resolver:

-7d-5=5d+1
-5 - 1 = 5d + 7d
-6 = 12d
-6/12 = d
-1/2 = d

Comprobamos:
-7d-5=5d+1
-7(-1/2) - 5 = 5(-1/2) + 1
7/2 -5 = -5/2 +1
(7-10/2) = (-5 + 2/2)
-3/2 = -3/2