420+60d-80d=420-60d

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Solution for 420+60d-80d=420-60d equation:


Simplifying
420 + 60d + -80d = 420 + -60d

Combine like terms: 60d + -80d = -20d
420 + -20d = 420 + -60d

Add '-420' to each side of the equation.
420 + -420 + -20d = 420 + -420 + -60d

Combine like terms: 420 + -420 = 0
0 + -20d = 420 + -420 + -60d
-20d = 420 + -420 + -60d

Combine like terms: 420 + -420 = 0
-20d = 0 + -60d
-20d = -60d

Solving
-20d = -60d

Solving for variable 'd'.

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

Add '60d' to each side of the equation.
-20d + 60d = -60d + 60d

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

Combine like terms: -60d + 60d = 0
40d = 0

Divide each side by '40'.
d = 0.0

Simplifying
d = 0.0

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