9d-9+d=11

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


Simplifying
9d + -9 + d = 11

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

Combine like terms: 9d + d = 10d
-9 + 10d = 11

Solving
-9 + 10d = 11

Solving for variable 'd'.

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

Add '9' to each side of the equation.
-9 + 9 + 10d = 11 + 9

Combine like terms: -9 + 9 = 0
0 + 10d = 11 + 9
10d = 11 + 9

Combine like terms: 11 + 9 = 20
10d = 20

Divide each side by '10'.
d = 2

Simplifying
d = 2

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