7d-3=9-9d

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Solution for 7d-3=9-9d equation:


Simplifying
7d + -3 = 9 + -9d

Reorder the terms:
-3 + 7d = 9 + -9d

Solving
-3 + 7d = 9 + -9d

Solving for variable 'd'.

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

Add '9d' to each side of the equation.
-3 + 7d + 9d = 9 + -9d + 9d

Combine like terms: 7d + 9d = 16d
-3 + 16d = 9 + -9d + 9d

Combine like terms: -9d + 9d = 0
-3 + 16d = 9 + 0
-3 + 16d = 9

Add '3' to each side of the equation.
-3 + 3 + 16d = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 16d = 9 + 3
16d = 9 + 3

Combine like terms: 9 + 3 = 12
16d = 12

Divide each side by '16'.
d = 0.75

Simplifying
d = 0.75

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