80-2.5d=20

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Solution for 80-2.5d=20 equation: 


Simplifying
80 + -2.5d = 20

Solving
80 + -2.5d = 20

Solving for variable 'd'.

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

Add '-80' to each side of the equation.
80 + -80 + -2.5d = 20 + -80

Combine like terms: 80 + -80 = 0
0 + -2.5d = 20 + -80
-2.5d = 20 + -80

Combine like terms: 20 + -80 = -60
-2.5d = -60

Divide each side by '-2.5'.
d = 24

Simplifying
d = 24

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