8+d=-7d

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Solution for 8+d=-7d equation:


Simplifying
8 + d = -7d

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

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

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

Add '-8' to each side of the equation.
8 + -8 + 8d = 0 + -8

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

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

Divide each side by '8'.
d = -1

Simplifying
d = -1

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