-(d+12)-3=8

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Solution for -(d+12)-3=8 equation:


Simplifying
-1(d + 12) + -3 = 8

Reorder the terms:
-1(12 + d) + -3 = 8
(12 * -1 + d * -1) + -3 = 8
(-12 + -1d) + -3 = 8

Reorder the terms:
-12 + -3 + -1d = 8

Combine like terms: -12 + -3 = -15
-15 + -1d = 8

Solving
-15 + -1d = 8

Solving for variable 'd'.

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

Add '15' to each side of the equation.
-15 + 15 + -1d = 8 + 15

Combine like terms: -15 + 15 = 0
0 + -1d = 8 + 15
-1d = 8 + 15

Combine like terms: 8 + 15 = 23
-1d = 23

Divide each side by '-1'.
d = -23

Simplifying
d = -23

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