310=900(1-d)

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Solution for 310=900(1-d) equation:


Simplifying
310 = 900(1 + -1d)
310 = (1 * 900 + -1d * 900)
310 = (900 + -900d)

Solving
310 = 900 + -900d

Solving for variable 'd'.

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

Add '900d' to each side of the equation.
310 + 900d = 900 + -900d + 900d

Combine like terms: -900d + 900d = 0
310 + 900d = 900 + 0
310 + 900d = 900

Add '-310' to each side of the equation.
310 + -310 + 900d = 900 + -310

Combine like terms: 310 + -310 = 0
0 + 900d = 900 + -310
900d = 900 + -310

Combine like terms: 900 + -310 = 590
900d = 590

Divide each side by '900'.
d = 0.6555555556

Simplifying
d = 0.6555555556

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