-3(7-8d)=16.5

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Solution for -3(7-8d)=16.5 equation: 


Simplifying
-3(7 + -8d) = 16.5
(7 * -3 + -8d * -3) = 16.5
(-21 + 24d) = 16.5

Solving
-21 + 24d = 16.5

Solving for variable 'd'.

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

Add '21' to each side of the equation.
-21 + 21 + 24d = 16.5 + 21

Combine like terms: -21 + 21 = 0
0 + 24d = 16.5 + 21
24d = 16.5 + 21

Combine like terms: 16.5 + 21 = 37.5
24d = 37.5

Divide each side by '24'.
d = 1.5625

Simplifying
d = 1.5625

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