d+d-5=45

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Solution for d+d-5=45 equation: 


Simplifying
d + d + -5 = 45

Reorder the terms:
-5 + d + d = 45

Combine like terms: d + d = 2d
-5 + 2d = 45

Solving
-5 + 2d = 45

Solving for variable 'd'.

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

Add '5' to each side of the equation.
-5 + 5 + 2d = 45 + 5

Combine like terms: -5 + 5 = 0
0 + 2d = 45 + 5
2d = 45 + 5

Combine like terms: 45 + 5 = 50
2d = 50

Divide each side by '2'.
d = 25

Simplifying
d = 25

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