-2d+9=-9+d

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Solution for -2d+9=-9+d equation:


Simplifying
-2d + 9 = -9 + d

Reorder the terms:
9 + -2d = -9 + d

Solving
9 + -2d = -9 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
9 + -2d + -1d = -9 + d + -1d

Combine like terms: -2d + -1d = -3d
9 + -3d = -9 + d + -1d

Combine like terms: d + -1d = 0
9 + -3d = -9 + 0
9 + -3d = -9

Add '-9' to each side of the equation.
9 + -9 + -3d = -9 + -9

Combine like terms: 9 + -9 = 0
0 + -3d = -9 + -9
-3d = -9 + -9

Combine like terms: -9 + -9 = -18
-3d = -18

Divide each side by '-3'.
d = 6

Simplifying
d = 6

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