D+8.7=11.9

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Solution for D+8.7=11.9 equation: 


Simplifying
D + 8.7 = 11.9

Reorder the terms:
8.7 + D = 11.9

Solving
8.7 + D = 11.9

Solving for variable 'D'.

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

Add '-8.7' to each side of the equation.
8.7 + -8.7 + D = 11.9 + -8.7

Combine like terms: 8.7 + -8.7 = 0.0
0.0 + D = 11.9 + -8.7
D = 11.9 + -8.7

Combine like terms: 11.9 + -8.7 = 3.2
D = 3.2

Simplifying
D = 3.2

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