1d+8=-7d-8

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Solution for 1d+8=-7d-8 equation:


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

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

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

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

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

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

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

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

Combine like terms: -8 + -8 = -16
8d = -16

Divide each side by '8'.
d = -2

Simplifying
d = -2

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