9(8+5d)=-28

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Solution for 9(8+5d)=-28 equation: 


Simplifying
9(8 + 5d) = -28
(8 * 9 + 5d * 9) = -28
(72 + 45d) = -28

Solving
72 + 45d = -28

Solving for variable 'd'.

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

Add '-72' to each side of the equation.
72 + -72 + 45d = -28 + -72

Combine like terms: 72 + -72 = 0
0 + 45d = -28 + -72
45d = -28 + -72

Combine like terms: -28 + -72 = -100
45d = -100

Divide each side by '45'.
d = -2.222222222

Simplifying
d = -2.222222222

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