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

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


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

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

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

Combine like terms: 6d + -4d = 2d
-7 + 2d = 5d

Solving
-7 + 2d = 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.
-7 + 2d + -5d = 5d + -5d

Combine like terms: 2d + -5d = -3d
-7 + -3d = 5d + -5d

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

Add '7' to each side of the equation.
-7 + 7 + -3d = 0 + 7

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

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

Divide each side by '-3'.
d = -2.333333333

Simplifying
d = -2.333333333

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