20=6.4+d

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Solution for 20=6.4+d equation:


Simplifying
20 = 6.4 + d

Solving
20 = 6.4 + 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.
20 + -1d = 6.4 + d + -1d

Combine like terms: d + -1d = 0
20 + -1d = 6.4 + 0
20 + -1d = 6.4

Add '-20' to each side of the equation.
20 + -20 + -1d = 6.4 + -20

Combine like terms: 20 + -20 = 0
0 + -1d = 6.4 + -20
-1d = 6.4 + -20

Combine like terms: 6.4 + -20 = -13.6
-1d = -13.6

Divide each side by '-1'.
d = 13.6

Simplifying
d = 13.6

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