[d+2]=3[d-6]

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Solution for [d+2]=3[d-6] equation:


Simplifying
[d + 2] = 3[d + -6]

Reorder the terms:
[2 + d] = 3[d + -6]

Remove brackets around [2 + d]
2 + d = 3[d + -6]

Reorder the terms:
2 + d = 3[-6 + d]
2 + d = [-6 * 3 + d * 3]
2 + d = [-18 + 3d]

Solving
2 + d = -18 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
2 + d + -3d = -18 + 3d + -3d

Combine like terms: d + -3d = -2d
2 + -2d = -18 + 3d + -3d

Combine like terms: 3d + -3d = 0
2 + -2d = -18 + 0
2 + -2d = -18

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

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

Combine like terms: -18 + -2 = -20
-2d = -20

Divide each side by '-2'.
d = 10

Simplifying
d = 10

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