6=3+5(d+2)

Solution for 6=3+5(d+2) equation:

Simplifying
6 = 3 + 5(d + 2)

Reorder the terms:
6 = 3 + 5(2 + d)
6 = 3 + (2 * 5 + d * 5)
6 = 3 + (10 + 5d)

Combine like terms: 3 + 10 = 13
6 = 13 + 5d

Solving
6 = 13 + 5d

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '-5d' to each side of the equation.
6 + -5d = 13 + 5d + -5d

Combine like terms: 5d + -5d = 0
6 + -5d = 13 + 0
6 + -5d = 13

Add '-6' to each side of the equation.
6 + -6 + -5d = 13 + -6

Combine like terms: 6 + -6 = 0
0 + -5d = 13 + -6
-5d = 13 + -6

Combine like terms: 13 + -6 = 7
-5d = 7

Divide each side by '-5'.
d = -1.4

Simplifying
d = -1.4