12d+4=7-d

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Solution for 12d+4=7-d equation:


Simplifying
12d + 4 = 7 + -1d

Reorder the terms:
4 + 12d = 7 + -1d

Solving
4 + 12d = 7 + -1d

Solving for variable 'd'.

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

Add 'd' to each side of the equation.
4 + 12d + d = 7 + -1d + d

Combine like terms: 12d + d = 13d
4 + 13d = 7 + -1d + d

Combine like terms: -1d + d = 0
4 + 13d = 7 + 0
4 + 13d = 7

Add '-4' to each side of the equation.
4 + -4 + 13d = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 13d = 7 + -4
13d = 7 + -4

Combine like terms: 7 + -4 = 3
13d = 3

Divide each side by '13'.
d = 0.2307692308

Simplifying
d = 0.2307692308

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