9d-1=-6d-31

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Solution for 9d-1=-6d-31 equation:


Simplifying
9d + -1 = -6d + -31

Reorder the terms:
-1 + 9d = -6d + -31

Reorder the terms:
-1 + 9d = -31 + -6d

Solving
-1 + 9d = -31 + -6d

Solving for variable 'd'.

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

Add '6d' to each side of the equation.
-1 + 9d + 6d = -31 + -6d + 6d

Combine like terms: 9d + 6d = 15d
-1 + 15d = -31 + -6d + 6d

Combine like terms: -6d + 6d = 0
-1 + 15d = -31 + 0
-1 + 15d = -31

Add '1' to each side of the equation.
-1 + 1 + 15d = -31 + 1

Combine like terms: -1 + 1 = 0
0 + 15d = -31 + 1
15d = -31 + 1

Combine like terms: -31 + 1 = -30
15d = -30

Divide each side by '15'.
d = -2

Simplifying
d = -2

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