2d(a-60)=420

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Solution for 2d(a-60)=420 equation:


Simplifying
2d(a + -60) = 420

Reorder the terms:
2d(-60 + a) = 420
(-60 * 2d + a * 2d) = 420

Reorder the terms:
(2ad + -120d) = 420
(2ad + -120d) = 420

Solving
2ad + -120d = 420

Solving for variable 'a'.

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

Add '120d' to each side of the equation.
2ad + -120d + 120d = 420 + 120d

Combine like terms: -120d + 120d = 0
2ad + 0 = 420 + 120d
2ad = 420 + 120d

Divide each side by '2d'.
a = 210d-1 + 60

Simplifying
a = 210d-1 + 60

Reorder the terms:
a = 60 + 210d-1

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