39d+40=-2d+20

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Solution for 39d+40=-2d+20 equation:


Simplifying
39d + 40 = -2d + 20

Reorder the terms:
40 + 39d = -2d + 20

Reorder the terms:
40 + 39d = 20 + -2d

Solving
40 + 39d = 20 + -2d

Solving for variable 'd'.

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

Add '2d' to each side of the equation.
40 + 39d + 2d = 20 + -2d + 2d

Combine like terms: 39d + 2d = 41d
40 + 41d = 20 + -2d + 2d

Combine like terms: -2d + 2d = 0
40 + 41d = 20 + 0
40 + 41d = 20

Add '-40' to each side of the equation.
40 + -40 + 41d = 20 + -40

Combine like terms: 40 + -40 = 0
0 + 41d = 20 + -40
41d = 20 + -40

Combine like terms: 20 + -40 = -20
41d = -20

Divide each side by '41'.
d = -0.487804878

Simplifying
d = -0.487804878

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