2[d+4]=12

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Solution for 2[d+4]=12 equation: 


Simplifying
2[d + 4] = 12

Reorder the terms:
2[4 + d] = 12
[4 * 2 + d * 2] = 12
[8 + 2d] = 12

Solving
8 + 2d = 12

Solving for variable 'd'.

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

Add '-8' to each side of the equation.
8 + -8 + 2d = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 2d = 12 + -8
2d = 12 + -8

Combine like terms: 12 + -8 = 4
2d = 4

Divide each side by '2'.
d = 2

Simplifying
d = 2

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