-20=-9d-2d

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Solution for -20=-9d-2d equation:


Simplifying
-20 = -9d + -2d

Combine like terms: -9d + -2d = -11d
-20 = -11d

Solving
-20 = -11d

Solving for variable 'd'.

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

Add '11d' to each side of the equation.
-20 + 11d = -11d + 11d

Combine like terms: -11d + 11d = 0
-20 + 11d = 0

Add '20' to each side of the equation.
-20 + 20 + 11d = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 11d = 0 + 20
11d = 0 + 20

Combine like terms: 0 + 20 = 20
11d = 20

Divide each side by '11'.
d = 1.818181818

Simplifying
d = 1.818181818

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