-d+8=-7d-4

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


Simplifying
-1d + 8 = -7d + -4

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

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

Solving
8 + -1d = -4 + -7d

Solving for variable 'd'.

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

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

Combine like terms: -1d + 7d = 6d
8 + 6d = -4 + -7d + 7d

Combine like terms: -7d + 7d = 0
8 + 6d = -4 + 0
8 + 6d = -4

Add '-8' to each side of the equation.
8 + -8 + 6d = -4 + -8

Combine like terms: 8 + -8 = 0
0 + 6d = -4 + -8
6d = -4 + -8

Combine like terms: -4 + -8 = -12
6d = -12

Divide each side by '6'.
d = -2

Simplifying
d = -2

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