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

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


Simplifying
7d + -1d + 5d + -4 = 4d

Reorder the terms:
-4 + 7d + -1d + 5d = 4d

Combine like terms: 7d + -1d = 6d
-4 + 6d + 5d = 4d

Combine like terms: 6d + 5d = 11d
-4 + 11d = 4d

Solving
-4 + 11d = 4d

Solving for variable 'd'.

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

Add '-4d' to each side of the equation.
-4 + 11d + -4d = 4d + -4d

Combine like terms: 11d + -4d = 7d
-4 + 7d = 4d + -4d

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

Add '4' to each side of the equation.
-4 + 4 + 7d = 0 + 4

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

Combine like terms: 0 + 4 = 4
7d = 4

Divide each side by '7'.
d = 0.5714285714

Simplifying
d = 0.5714285714

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