D+7.8=-9.8

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Solution for D+7.8=-9.8 equation: 


Simplifying
D + 7.8 = -9.8

Reorder the terms:
7.8 + D = -9.8

Solving
7.8 + D = -9.8

Solving for variable 'D'.

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

Add '-7.8' to each side of the equation.
7.8 + -7.8 + D = -9.8 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + D = -9.8 + -7.8
D = -9.8 + -7.8

Combine like terms: -9.8 + -7.8 = -17.6
D = -17.6

Simplifying
D = -17.6

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