6d-12-d=3(x-1)

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Solution for 6d-12-d=3(x-1) equation:


Simplifying
6d + -12 + -1d = 3(x + -1)

Reorder the terms:
-12 + 6d + -1d = 3(x + -1)

Combine like terms: 6d + -1d = 5d
-12 + 5d = 3(x + -1)

Reorder the terms:
-12 + 5d = 3(-1 + x)
-12 + 5d = (-1 * 3 + x * 3)
-12 + 5d = (-3 + 3x)

Solving
-12 + 5d = -3 + 3x

Solving for variable 'd'.

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

Add '12' to each side of the equation.
-12 + 12 + 5d = -3 + 12 + 3x

Combine like terms: -12 + 12 = 0
0 + 5d = -3 + 12 + 3x
5d = -3 + 12 + 3x

Combine like terms: -3 + 12 = 9
5d = 9 + 3x

Divide each side by '5'.
d = 1.8 + 0.6x

Simplifying
d = 1.8 + 0.6x

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