9D-7=7A

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Solution for 9D-7=7A equation: 


Simplifying
9D + -7 = 7A

Reorder the terms:
-7 + 9D = 7A

Solving
-7 + 9D = 7A

Solving for variable 'D'.

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

Add '7' to each side of the equation.
-7 + 7 + 9D = 7 + 7A

Combine like terms: -7 + 7 = 0
0 + 9D = 7 + 7A
9D = 7 + 7A

Divide each side by '9'.
D = 0.7777777778 + 0.7777777778A

Simplifying
D = 0.7777777778 + 0.7777777778A

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