8d-11=9d+9

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Solution for 8d-11=9d+9 equation:


Simplifying
8d + -11 = 9d + 9

Reorder the terms:
-11 + 8d = 9d + 9

Reorder the terms:
-11 + 8d = 9 + 9d

Solving
-11 + 8d = 9 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
-11 + 8d + -9d = 9 + 9d + -9d

Combine like terms: 8d + -9d = -1d
-11 + -1d = 9 + 9d + -9d

Combine like terms: 9d + -9d = 0
-11 + -1d = 9 + 0
-11 + -1d = 9

Add '11' to each side of the equation.
-11 + 11 + -1d = 9 + 11

Combine like terms: -11 + 11 = 0
0 + -1d = 9 + 11
-1d = 9 + 11

Combine like terms: 9 + 11 = 20
-1d = 20

Divide each side by '-1'.
d = -20

Simplifying
d = -20

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