9d-25=7d+5

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Solution for 9d-25=7d+5 equation:


Simplifying
9d + -25 = 7d + 5

Reorder the terms:
-25 + 9d = 7d + 5

Reorder the terms:
-25 + 9d = 5 + 7d

Solving
-25 + 9d = 5 + 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.
-25 + 9d + -7d = 5 + 7d + -7d

Combine like terms: 9d + -7d = 2d
-25 + 2d = 5 + 7d + -7d

Combine like terms: 7d + -7d = 0
-25 + 2d = 5 + 0
-25 + 2d = 5

Add '25' to each side of the equation.
-25 + 25 + 2d = 5 + 25

Combine like terms: -25 + 25 = 0
0 + 2d = 5 + 25
2d = 5 + 25

Combine like terms: 5 + 25 = 30
2d = 30

Divide each side by '2'.
d = 15

Simplifying
d = 15

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