d+3=2(-d)

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


Simplifying
d + 3 = 2(-1d)

Reorder the terms:
3 + d = 2(-1d)

Remove parenthesis around (-1d)
3 + d = 2 * -1d

Multiply 2 * -1
3 + d = -2d

Solving
3 + d = -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 + d + 2d = -2d + 2d

Combine like terms: d + 2d = 3d
3 + 3d = -2d + 2d

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

Add '-3' to each side of the equation.
3 + -3 + 3d = 0 + -3

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

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

Divide each side by '3'.
d = -1

Simplifying
d = -1

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