Question

2d+4=10+5d

d=

what does it equal?

Answer 1

d = -2

Explanation:

2d + 4 = 10 + 5d

2d - 2d + 4 = 10 + 5d - 2d

4 = 10 + 3d

4 - 10 = 10 - 10 + 3d

-6 = 3d

(1/3) -6 = 3d (1/3)

-2 = d