40+7.50d=12.50

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Solution for 40+7.50d=12.50 equation: 


Simplifying
40 + 7.50d = 12.50

Solving
40 + 7.50d = 12.50

Solving for variable 'd'.

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

Add '-40' to each side of the equation.
40 + -40 + 7.50d = 12.50 + -40

Combine like terms: 40 + -40 = 0
0 + 7.50d = 12.50 + -40
7.50d = 12.50 + -40

Combine like terms: 12.50 + -40 = -27.5
7.50d = -27.5

Divide each side by '7.50'.
d = -3.666666667

Simplifying
d = -3.666666667

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