4-2d=-2(2d-4)

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Solution for 4-2d=-2(2d-4) equation:


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

Reorder the terms:
4 + -2d = -2(-4 + 2d)
4 + -2d = (-4 * -2 + 2d * -2)
4 + -2d = (8 + -4d)

Solving
4 + -2d = 8 + -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.
4 + -2d + 4d = 8 + -4d + 4d

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

Combine like terms: -4d + 4d = 0
4 + 2d = 8 + 0
4 + 2d = 8

Add '-4' to each side of the equation.
4 + -4 + 2d = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 2d = 8 + -4
2d = 8 + -4

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

Divide each side by '2'.
d = 2

Simplifying
d = 2

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