240.00=840(1-d)

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Solution for 240.00=840(1-d) equation: 


Simplifying
240.00 = 840(1 + -1d)
240.00 = (1 * 840 + -1d * 840)
240.00 = (840 + -840d)

Solving
240.00 = 840 + -840d

Solving for variable 'd'.

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

Add '840d' to each side of the equation.
240.00 + 840d = 840 + -840d + 840d

Combine like terms: -840d + 840d = 0
240.00 + 840d = 840 + 0
240.00 + 840d = 840

Add '-240.00' to each side of the equation.
240.00 + -240.00 + 840d = 840 + -240.00

Combine like terms: 240.00 + -240.00 = 0.00
0.00 + 840d = 840 + -240.00
840d = 840 + -240.00

Combine like terms: 840 + -240.00 = 600
840d = 600

Divide each side by '840'.
d = 0.7142857143

Simplifying
d = 0.7142857143

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