7d+2d-5d+4=5d

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Solution for 7d+2d-5d+4=5d equation:


Simplifying
7d + 2d + -5d + 4 = 5d

Reorder the terms:
4 + 7d + 2d + -5d = 5d

Combine like terms: 7d + 2d = 9d
4 + 9d + -5d = 5d

Combine like terms: 9d + -5d = 4d
4 + 4d = 5d

Solving
4 + 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.
4 + 4d + -5d = 5d + -5d

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

Combine like terms: 5d + -5d = 0
4 + -1d = 0

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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