13d-3d=20

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Solution for 13d-3d=20 equation: 


Simplifying
13d + -3d = 20

Combine like terms: 13d + -3d = 10d
10d = 20

Solving
10d = 20

Solving for variable 'd'.

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

Divide each side by '10'.
d = 2

Simplifying
d = 2

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