(4-2d-3)=12

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Solution for (4-2d-3)=12 equation:


Simplifying
(4 + -2d + -3) = 12

Reorder the terms:
(4 + -3 + -2d) = 12

Combine like terms: 4 + -3 = 1
(1 + -2d) = 12

Remove parenthesis around (1 + -2d)
1 + -2d = 12

Solving
1 + -2d = 12

Solving for variable 'd'.

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

Add '-1' to each side of the equation.
1 + -1 + -2d = 12 + -1

Combine like terms: 1 + -1 = 0
0 + -2d = 12 + -1
-2d = 12 + -1

Combine like terms: 12 + -1 = 11
-2d = 11

Divide each side by '-2'.
d = -5.5

Simplifying
d = -5.5

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