-9d-1=-7

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Solution for -9d-1=-7 equation: 


Simplifying
-9d + -1 = -7

Reorder the terms:
-1 + -9d = -7

Solving
-1 + -9d = -7

Solving for variable 'd'.

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

Add '1' to each side of the equation.
-1 + 1 + -9d = -7 + 1

Combine like terms: -1 + 1 = 0
0 + -9d = -7 + 1
-9d = -7 + 1

Combine like terms: -7 + 1 = -6
-9d = -6

Divide each side by '-9'.
d = 0.6666666667

Simplifying
d = 0.6666666667

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