7d+4=8+-d

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


Simplifying
7d + 4 = 8 + -1d

Reorder the terms:
4 + 7d = 8 + -1d

Solving
4 + 7d = 8 + -1d

Solving for variable 'd'.

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

Add 'd' to each side of the equation.
4 + 7d + d = 8 + -1d + d

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

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

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

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

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

Divide each side by '8'.
d = 0.5

Simplifying
d = 0.5

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