-6(2d+3)=42

Solution for -6(2d+3)=42 equation:

Simplifying
-6(2d + 3) = 42

Reorder the terms:
-6(3 + 2d) = 42
(3 * -6 + 2d * -6) = 42
(-18 + -12d) = 42

Solving
-18 + -12d = 42

Solving for variable 'd'.

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

Add '18' to each side of the equation.
-18 + 18 + -12d = 42 + 18

Combine like terms: -18 + 18 = 0
0 + -12d = 42 + 18
-12d = 42 + 18

Combine like terms: 42 + 18 = 60
-12d = 60

Divide each side by '-12'.
d = -5

Simplifying
d = -5