.80d+8=20

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Solution for .80d+8=20 equation: 


Simplifying
0.80d + 8 = 20

Reorder the terms:
8 + 0.80d = 20

Solving
8 + 0.80d = 20

Solving for variable 'd'.

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

Add '-8' to each side of the equation.
8 + -8 + 0.80d = 20 + -8

Combine like terms: 8 + -8 = 0
0 + 0.80d = 20 + -8
0.80d = 20 + -8

Combine like terms: 20 + -8 = 12
0.80d = 12

Divide each side by '0.80'.
d = 15

Simplifying
d = 15

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