d+45=20

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Solution for d+45=20 equation: 


Simplifying
d + 45 = 20

Reorder the terms:
45 + d = 20

Solving
45 + d = 20

Solving for variable 'd'.

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

Add '-45' to each side of the equation.
45 + -45 + d = 20 + -45

Combine like terms: 45 + -45 = 0
0 + d = 20 + -45
d = 20 + -45

Combine like terms: 20 + -45 = -25
d = -25

Simplifying
d = -25

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