7d-3=2(d+6)

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Solution for 7d-3=2(d+6) equation:


Simplifying
7d + -3 = 2(d + 6)

Reorder the terms:
-3 + 7d = 2(d + 6)

Reorder the terms:
-3 + 7d = 2(6 + d)
-3 + 7d = (6 * 2 + d * 2)
-3 + 7d = (12 + 2d)

Solving
-3 + 7d = 12 + 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
-3 + 7d + -2d = 12 + 2d + -2d

Combine like terms: 7d + -2d = 5d
-3 + 5d = 12 + 2d + -2d

Combine like terms: 2d + -2d = 0
-3 + 5d = 12 + 0
-3 + 5d = 12

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

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

Combine like terms: 12 + 3 = 15
5d = 15

Divide each side by '5'.
d = 3

Simplifying
d = 3

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