0.25(12d-12)+3d=9

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Solution for 0.25(12d-12)+3d=9 equation:


Simplifying
0.25(12d + -12) + 3d = 9

Reorder the terms:
0.25(-12 + 12d) + 3d = 9
(-12 * 0.25 + 12d * 0.25) + 3d = 9
(-3 + 3d) + 3d = 9

Combine like terms: 3d + 3d = 6d
-3 + 6d = 9

Solving
-3 + 6d = 9

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 + 6d = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 6d = 9 + 3
6d = 9 + 3

Combine like terms: 9 + 3 = 12
6d = 12

Divide each side by '6'.
d = 2

Simplifying
d = 2

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