(-3d-3)+(4d+6)=

Solution for (-3d-3)+(4d+6)= equation:

Simplifying
(-3d + -3) + (4d + 6) = 0

Reorder the terms:
(-3 + -3d) + (4d + 6) = 0

Remove parenthesis around (-3 + -3d)
-3 + -3d + (4d + 6) = 0

Reorder the terms:
-3 + -3d + (6 + 4d) = 0

Remove parenthesis around (6 + 4d)
-3 + -3d + 6 + 4d = 0

Reorder the terms:
-3 + 6 + -3d + 4d = 0

Combine like terms: -3 + 6 = 3
3 + -3d + 4d = 0

Combine like terms: -3d + 4d = 1d
3 + 1d = 0

Solving
3 + 1d = 0

Solving for variable 'd'.

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

Add '-3' to each side of the equation.
3 + -3 + 1d = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 1d = 0 + -3
1d = 0 + -3

Combine like terms: 0 + -3 = -3
1d = -3

Divide each side by '1'.
d = -3

Simplifying
d = -3