2d-9=-(d-4)

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Solution for 2d-9=-(d-4) equation:


Simplifying
2d + -9 = -1(d + -4)

Reorder the terms:
-9 + 2d = -1(d + -4)

Reorder the terms:
-9 + 2d = -1(-4 + d)
-9 + 2d = (-4 * -1 + d * -1)
-9 + 2d = (4 + -1d)

Solving
-9 + 2d = 4 + -1d

Solving for variable 'd'.

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

Add 'd' to each side of the equation.
-9 + 2d + d = 4 + -1d + d

Combine like terms: 2d + d = 3d
-9 + 3d = 4 + -1d + d

Combine like terms: -1d + d = 0
-9 + 3d = 4 + 0
-9 + 3d = 4

Add '9' to each side of the equation.
-9 + 9 + 3d = 4 + 9

Combine like terms: -9 + 9 = 0
0 + 3d = 4 + 9
3d = 4 + 9

Combine like terms: 4 + 9 = 13
3d = 13

Divide each side by '3'.
d = 4.333333333

Simplifying
d = 4.333333333

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