7d-4d-4+5d+8-7d=

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Solution for 7d-4d-4+5d+8-7d= equation:


Simplifying
7d + -4d + -4 + 5d + 8 + -7d = 0

Reorder the terms:
-4 + 8 + 7d + -4d + 5d + -7d = 0

Combine like terms: -4 + 8 = 4
4 + 7d + -4d + 5d + -7d = 0

Combine like terms: 7d + -4d = 3d
4 + 3d + 5d + -7d = 0

Combine like terms: 3d + 5d = 8d
4 + 8d + -7d = 0

Combine like terms: 8d + -7d = 1d
4 + 1d = 0

Solving
4 + 1d = 0

Solving for variable 'd'.

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

Add '-4' to each side of the equation.
4 + -4 + 1d = 0 + -4

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

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

Divide each side by '1'.
d = -4

Simplifying
d = -4

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