20=7d-6d

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Solution for 20=7d-6d equation:


Simplifying
20 = 7d + -6d

Combine like terms: 7d + -6d = 1d
20 = 1d

Solving
20 = 1d

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 = 1d + -1d

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

Add '-20' to each side of the equation.
20 + -20 + -1d = 0 + -20

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

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

Divide each side by '-1'.
d = 20

Simplifying
d = 20

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