0.5(3d+12+5d)=30

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Solution for 0.5(3d+12+5d)=30 equation:


Simplifying
0.5(3d + 12 + 5d) = 30

Reorder the terms:
0.5(12 + 3d + 5d) = 30

Combine like terms: 3d + 5d = 8d
0.5(12 + 8d) = 30
(12 * 0.5 + 8d * 0.5) = 30
(6 + 4d) = 30

Solving
6 + 4d = 30

Solving for variable 'd'.

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

Add '-6' to each side of the equation.
6 + -6 + 4d = 30 + -6

Combine like terms: 6 + -6 = 0
0 + 4d = 30 + -6
4d = 30 + -6

Combine like terms: 30 + -6 = 24
4d = 24

Divide each side by '4'.
d = 6

Simplifying
d = 6

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