-5d-9=9-7d

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Solution for -5d-9=9-7d equation:


Simplifying
-5d + -9 = 9 + -7d

Reorder the terms:
-9 + -5d = 9 + -7d

Solving
-9 + -5d = 9 + -7d

Solving for variable 'd'.

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

Add '7d' to each side of the equation.
-9 + -5d + 7d = 9 + -7d + 7d

Combine like terms: -5d + 7d = 2d
-9 + 2d = 9 + -7d + 7d

Combine like terms: -7d + 7d = 0
-9 + 2d = 9 + 0
-9 + 2d = 9

Add '9' to each side of the equation.
-9 + 9 + 2d = 9 + 9

Combine like terms: -9 + 9 = 0
0 + 2d = 9 + 9
2d = 9 + 9

Combine like terms: 9 + 9 = 18
2d = 18

Divide each side by '2'.
d = 9

Simplifying
d = 9

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