7d-8=-7

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Solution for 7d-8=-7 equation: 


Simplifying
7d + -8 = -7

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

Solving
-8 + 7d = -7

Solving for variable 'd'.

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

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

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

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

Divide each side by '7'.
d = 0.1428571429

Simplifying
d = 0.1428571429

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