D+0.7=0.9

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Solution for D+0.7=0.9 equation: 


Simplifying
D + 0.7 = 0.9

Reorder the terms:
0.7 + D = 0.9

Solving
0.7 + D = 0.9

Solving for variable 'D'.

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

Add '-0.7' to each side of the equation.
0.7 + -0.7 + D = 0.9 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + D = 0.9 + -0.7
D = 0.9 + -0.7

Combine like terms: 0.9 + -0.7 = 0.2
D = 0.2

Simplifying
D = 0.2

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