60d+60+20=40d+120+20

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Solution for 60d+60+20=40d+120+20 equation: 


Simplifying
60d + 60 + 20 = 40d + 120 + 20

Reorder the terms:
60 + 20 + 60d = 40d + 120 + 20

Combine like terms: 60 + 20 = 80
80 + 60d = 40d + 120 + 20

Reorder the terms:
80 + 60d = 120 + 20 + 40d

Combine like terms: 120 + 20 = 140
80 + 60d = 140 + 40d

Solving
80 + 60d = 140 + 40d

Solving for variable 'd'.

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

Add '-40d' to each side of the equation.
80 + 60d + -40d = 140 + 40d + -40d

Combine like terms: 60d + -40d = 20d
80 + 20d = 140 + 40d + -40d

Combine like terms: 40d + -40d = 0
80 + 20d = 140 + 0
80 + 20d = 140

Add '-80' to each side of the equation.
80 + -80 + 20d = 140 + -80

Combine like terms: 80 + -80 = 0
0 + 20d = 140 + -80
20d = 140 + -80

Combine like terms: 140 + -80 = 60
20d = 60

Divide each side by '20'.
d = 3

Simplifying
d = 3

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