25=2d-9

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Solution for 25=2d-9 equation:


Simplifying
25 = 2d + -9

Reorder the terms:
25 = -9 + 2d

Solving
25 = -9 + 2d

Solving for variable 'd'.

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

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

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

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

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

Combine like terms: -9 + -25 = -34
-2d = -34

Divide each side by '-2'.
d = 17

Simplifying
d = 17

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