9d+1=8d-15

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Solution for 9d+1=8d-15 equation:


Simplifying
9d + 1 = 8d + -15

Reorder the terms:
1 + 9d = 8d + -15

Reorder the terms:
1 + 9d = -15 + 8d

Solving
1 + 9d = -15 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
1 + 9d + -8d = -15 + 8d + -8d

Combine like terms: 9d + -8d = 1d
1 + 1d = -15 + 8d + -8d

Combine like terms: 8d + -8d = 0
1 + 1d = -15 + 0
1 + 1d = -15

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

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

Combine like terms: -15 + -1 = -16
1d = -16

Divide each side by '1'.
d = -16

Simplifying
d = -16

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