3(2d-7)=(2+4d)

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Solution for 3(2d-7)=(2+4d) equation:


Simplifying
3(2d + -7) = (2 + 4d)

Reorder the terms:
3(-7 + 2d) = (2 + 4d)
(-7 * 3 + 2d * 3) = (2 + 4d)
(-21 + 6d) = (2 + 4d)

Remove parenthesis around (2 + 4d)
-21 + 6d = 2 + 4d

Solving
-21 + 6d = 2 + 4d

Solving for variable 'd'.

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

Add '-4d' to each side of the equation.
-21 + 6d + -4d = 2 + 4d + -4d

Combine like terms: 6d + -4d = 2d
-21 + 2d = 2 + 4d + -4d

Combine like terms: 4d + -4d = 0
-21 + 2d = 2 + 0
-21 + 2d = 2

Add '21' to each side of the equation.
-21 + 21 + 2d = 2 + 21

Combine like terms: -21 + 21 = 0
0 + 2d = 2 + 21
2d = 2 + 21

Combine like terms: 2 + 21 = 23
2d = 23

Divide each side by '2'.
d = 11.5

Simplifying
d = 11.5

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