4=0.4(ed-5)

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Solution for 4=0.4(ed-5) equation:


Simplifying
4 = 0.4(ed + -5)

Reorder the terms:
4 = 0.4(-5 + de)
4 = (-5 * 0.4 + de * 0.4)
4 = (-2 + 0.4de)

Solving
4 = -2 + 0.4de

Solving for variable 'd'.

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

Add '-0.4de' to each side of the equation.
4 + -0.4de = -2 + 0.4de + -0.4de

Combine like terms: 0.4de + -0.4de = 0.0
4 + -0.4de = -2 + 0.0
4 + -0.4de = -2

Add '-4' to each side of the equation.
4 + -4 + -0.4de = -2 + -4

Combine like terms: 4 + -4 = 0
0 + -0.4de = -2 + -4
-0.4de = -2 + -4

Combine like terms: -2 + -4 = -6
-0.4de = -6

Divide each side by '-0.4e'.
d = 15e-1

Simplifying
d = 15e-1

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