D+3.95+0.25=7.70

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Solution for D+3.95+0.25=7.70 equation:


Simplifying
D + 3.95 + 0.25 = 7.70

Reorder the terms:
3.95 + 0.25 + D = 7.70

Combine like terms: 3.95 + 0.25 = 4.2
4.2 + D = 7.70

Solving
4.2 + D = 7.70

Solving for variable 'D'.

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

Add '-4.2' to each side of the equation.
4.2 + -4.2 + D = 7.70 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + D = 7.70 + -4.2
D = 7.70 + -4.2

Combine like terms: 7.70 + -4.2 = 3.5
D = 3.5

Simplifying
D = 3.5

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