D-(-2.1)=-7.3

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Solution for D-(-2.1)=-7.3 equation: 


Simplifying
D + -1(-2.1) = -7.3

Multiply -1 * -2.1
D + 2.1 = -7.3

Reorder the terms:
2.1 + D = -7.3

Solving
2.1 + D = -7.3

Solving for variable 'D'.

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

Add '-2.1' to each side of the equation.
2.1 + -2.1 + D = -7.3 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + D = -7.3 + -2.1
D = -7.3 + -2.1

Combine like terms: -7.3 + -2.1 = -9.4
D = -9.4

Simplifying
D = -9.4

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