-8.5(5.5d-7)=21.5

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Solution for -8.5(5.5d-7)=21.5 equation:


Simplifying
-8.5(5.5d + -7) = 21.5

Reorder the terms:
-8.5(-7 + 5.5d) = 21.5
(-7 * -8.5 + 5.5d * -8.5) = 21.5
(59.5 + -46.75d) = 21.5

Solving
59.5 + -46.75d = 21.5

Solving for variable 'd'.

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

Add '-59.5' to each side of the equation.
59.5 + -59.5 + -46.75d = 21.5 + -59.5

Combine like terms: 59.5 + -59.5 = 0.0
0.0 + -46.75d = 21.5 + -59.5
-46.75d = 21.5 + -59.5

Combine like terms: 21.5 + -59.5 = -38
-46.75d = -38

Divide each side by '-46.75'.
d = 0.8128342246

Simplifying
d = 0.8128342246

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