-15+2d=25

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Solution for -15+2d=25 equation: 


Simplifying
-15 + 2d = 25

Solving
-15 + 2d = 25

Solving for variable 'd'.

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

Add '15' to each side of the equation.
-15 + 15 + 2d = 25 + 15

Combine like terms: -15 + 15 = 0
0 + 2d = 25 + 15
2d = 25 + 15

Combine like terms: 25 + 15 = 40
2d = 40

Divide each side by '2'.
d = 20

Simplifying
d = 20

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