8d-0.5(6-9d)=42

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Solution for 8d-0.5(6-9d)=42 equation:


Simplifying
8d + -0.5(6 + -9d) = 42
8d + (6 * -0.5 + -9d * -0.5) = 42
8d + (-3 + 4.5d) = 42

Reorder the terms:
-3 + 8d + 4.5d = 42

Combine like terms: 8d + 4.5d = 12.5d
-3 + 12.5d = 42

Solving
-3 + 12.5d = 42

Solving for variable 'd'.

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

Add '3' to each side of the equation.
-3 + 3 + 12.5d = 42 + 3

Combine like terms: -3 + 3 = 0
0 + 12.5d = 42 + 3
12.5d = 42 + 3

Combine like terms: 42 + 3 = 45
12.5d = 45

Divide each side by '12.5'.
d = 3.6

Simplifying
d = 3.6

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