10.2d=7.8+12.2d

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Solution for 10.2d=7.8+12.2d equation: 


Simplifying
10.2d = 7.8 + 12.2d

Solving
10.2d = 7.8 + 12.2d

Solving for variable 'd'.

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

Add '-12.2d' to each side of the equation.
10.2d + -12.2d = 7.8 + 12.2d + -12.2d

Combine like terms: 10.2d + -12.2d = -2d
-2d = 7.8 + 12.2d + -12.2d

Combine like terms: 12.2d + -12.2d = 0.0
-2d = 7.8 + 0.0
-2d = 7.8

Divide each side by '-2'.
d = -3.9

Simplifying
d = -3.9

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