d-(-0.8)=4

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Solution for d-(-0.8)=4 equation: 


Simplifying
d + -1(-0.8) = 4

Multiply -1 * -0.8
d + 0.8 = 4

Reorder the terms:
0.8 + d = 4

Solving
0.8 + d = 4

Solving for variable 'd'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + d = 4 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + d = 4 + -0.8
d = 4 + -0.8

Combine like terms: 4 + -0.8 = 3.2
d = 3.2

Simplifying
d = 3.2

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