d+8a=20

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Solution for d+8a=20 equation: 


Simplifying
d + 8a = 20

Reorder the terms:
8a + d = 20

Solving
8a + d = 20

Solving for variable 'a'.

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

Add '-1d' to each side of the equation.
8a + d + -1d = 20 + -1d

Combine like terms: d + -1d = 0
8a + 0 = 20 + -1d
8a = 20 + -1d

Divide each side by '8'.
a = 2.5 + -0.125d

Simplifying
a = 2.5 + -0.125d

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