9-2d=25

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Solution for 9-2d=25 equation: 


Simplifying
9 + -2d = 25

Solving
9 + -2d = 25

Solving for variable 'd'.

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

Add '-9' to each side of the equation.
9 + -9 + -2d = 25 + -9

Combine like terms: 9 + -9 = 0
0 + -2d = 25 + -9
-2d = 25 + -9

Combine like terms: 25 + -9 = 16
-2d = 16

Divide each side by '-2'.
d = -8

Simplifying
d = -8

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