-12+11-19d=18d-9(6d+19)

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Solution for -12+11-19d=18d-9(6d+19) equation:


Simplifying
-12 + 11 + -19d = 18d + -9(6d + 19)

Combine like terms: -12 + 11 = -1
-1 + -19d = 18d + -9(6d + 19)

Reorder the terms:
-1 + -19d = 18d + -9(19 + 6d)
-1 + -19d = 18d + (19 * -9 + 6d * -9)
-1 + -19d = 18d + (-171 + -54d)

Reorder the terms:
-1 + -19d = -171 + 18d + -54d

Combine like terms: 18d + -54d = -36d
-1 + -19d = -171 + -36d

Solving
-1 + -19d = -171 + -36d

Solving for variable 'd'.

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

Add '36d' to each side of the equation.
-1 + -19d + 36d = -171 + -36d + 36d

Combine like terms: -19d + 36d = 17d
-1 + 17d = -171 + -36d + 36d

Combine like terms: -36d + 36d = 0
-1 + 17d = -171 + 0
-1 + 17d = -171

Add '1' to each side of the equation.
-1 + 1 + 17d = -171 + 1

Combine like terms: -1 + 1 = 0
0 + 17d = -171 + 1
17d = -171 + 1

Combine like terms: -171 + 1 = -170
17d = -170

Divide each side by '17'.
d = -10

Simplifying
d = -10

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