1=d+0.8

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Solution for 1=d+0.8 equation:


Simplifying
1 = d + 0.8

Reorder the terms:
1 = 0.8 + d

Solving
1 = 0.8 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
1 + -1d = 0.8 + d + -1d

Combine like terms: d + -1d = 0
1 + -1d = 0.8 + 0
1 + -1d = 0.8

Add '-1' to each side of the equation.
1 + -1 + -1d = 0.8 + -1

Combine like terms: 1 + -1 = 0
0 + -1d = 0.8 + -1
-1d = 0.8 + -1

Combine like terms: 0.8 + -1 = -0.2
-1d = -0.2

Divide each side by '-1'.
d = 0.2

Simplifying
d = 0.2

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