-4+9.5(1+9d)=26.5

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Solution for -4+9.5(1+9d)=26.5 equation: 


Simplifying
-4 + 9.5(1 + 9d) = 26.5
-4 + (1 * 9.5 + 9d * 9.5) = 26.5
-4 + (9.5 + 85.5d) = 26.5

Combine like terms: -4 + 9.5 = 5.5
5.5 + 85.5d = 26.5

Solving
5.5 + 85.5d = 26.5

Solving for variable 'd'.

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

Add '-5.5' to each side of the equation.
5.5 + -5.5 + 85.5d = 26.5 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
0.0 + 85.5d = 26.5 + -5.5
85.5d = 26.5 + -5.5

Combine like terms: 26.5 + -5.5 = 21
85.5d = 21

Divide each side by '85.5'.
d = 0.2456140351

Simplifying
d = 0.2456140351

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