-2(-13d-18)+20=-18-17+19d

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Solution for -2(-13d-18)+20=-18-17+19d equation:


Simplifying
-2(-13d + -18) + 20 = -18 + -17 + 19d

Reorder the terms:
-2(-18 + -13d) + 20 = -18 + -17 + 19d
(-18 * -2 + -13d * -2) + 20 = -18 + -17 + 19d
(36 + 26d) + 20 = -18 + -17 + 19d

Reorder the terms:
36 + 20 + 26d = -18 + -17 + 19d

Combine like terms: 36 + 20 = 56
56 + 26d = -18 + -17 + 19d

Combine like terms: -18 + -17 = -35
56 + 26d = -35 + 19d

Solving
56 + 26d = -35 + 19d

Solving for variable 'd'.

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

Add '-19d' to each side of the equation.
56 + 26d + -19d = -35 + 19d + -19d

Combine like terms: 26d + -19d = 7d
56 + 7d = -35 + 19d + -19d

Combine like terms: 19d + -19d = 0
56 + 7d = -35 + 0
56 + 7d = -35

Add '-56' to each side of the equation.
56 + -56 + 7d = -35 + -56

Combine like terms: 56 + -56 = 0
0 + 7d = -35 + -56
7d = -35 + -56

Combine like terms: -35 + -56 = -91
7d = -91

Divide each side by '7'.
d = -13

Simplifying
d = -13

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