7d-15=-71

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Solution for 7d-15=-71 equation: 


Simplifying
7d + -15 = -71

Reorder the terms:
-15 + 7d = -71

Solving
-15 + 7d = -71

Solving for variable 'd'.

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

Add '15' to each side of the equation.
-15 + 15 + 7d = -71 + 15

Combine like terms: -15 + 15 = 0
0 + 7d = -71 + 15
7d = -71 + 15

Combine like terms: -71 + 15 = -56
7d = -56

Divide each side by '7'.
d = -8

Simplifying
d = -8

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