120-5d=80

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Solution for 120-5d=80 equation: 


Simplifying
120 + -5d = 80

Solving
120 + -5d = 80

Solving for variable 'd'.

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

Add '-120' to each side of the equation.
120 + -120 + -5d = 80 + -120

Combine like terms: 120 + -120 = 0
0 + -5d = 80 + -120
-5d = 80 + -120

Combine like terms: 80 + -120 = -40
-5d = -40

Divide each side by '-5'.
d = 8

Simplifying
d = 8

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