-4d-5=20

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Solution for -4d-5=20 equation: 


Simplifying
-4d + -5 = 20

Reorder the terms:
-5 + -4d = 20

Solving
-5 + -4d = 20

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 + -4d = 20 + 5

Combine like terms: -5 + 5 = 0
0 + -4d = 20 + 5
-4d = 20 + 5

Combine like terms: 20 + 5 = 25
-4d = 25

Divide each side by '-4'.
d = -6.25

Simplifying
d = -6.25

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