18=2(3d+1)-d

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Solution for 18=2(3d+1)-d equation:


Simplifying
18 = 2(3d + 1) + -1d

Reorder the terms:
18 = 2(1 + 3d) + -1d
18 = (1 * 2 + 3d * 2) + -1d
18 = (2 + 6d) + -1d

Combine like terms: 6d + -1d = 5d
18 = 2 + 5d

Solving
18 = 2 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
18 + -5d = 2 + 5d + -5d

Combine like terms: 5d + -5d = 0
18 + -5d = 2 + 0
18 + -5d = 2

Add '-18' to each side of the equation.
18 + -18 + -5d = 2 + -18

Combine like terms: 18 + -18 = 0
0 + -5d = 2 + -18
-5d = 2 + -18

Combine like terms: 2 + -18 = -16
-5d = -16

Divide each side by '-5'.
d = 3.2

Simplifying
d = 3.2

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