20d=-d+12

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Solution for 20d=-d+12 equation: 


Simplifying
20d = -1d + 12

Reorder the terms:
20d = 12 + -1d

Solving
20d = 12 + -1d

Solving for variable 'd'.

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

Add 'd' to each side of the equation.
20d + d = 12 + -1d + d

Combine like terms: 20d + d = 21d
21d = 12 + -1d + d

Combine like terms: -1d + d = 0
21d = 12 + 0
21d = 12

Divide each side by '21'.
d = 0.5714285714

Simplifying
d = 0.5714285714

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