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

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


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

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

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

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

Solving
-8 + 4d = 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
-8 + 4d + -5d = 5d + -5d

Combine like terms: 4d + -5d = -1d
-8 + -1d = 5d + -5d

Combine like terms: 5d + -5d = 0
-8 + -1d = 0

Add '8' to each side of the equation.
-8 + 8 + -1d = 0 + 8

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

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

Divide each side by '-1'.
d = -8

Simplifying
d = -8

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