12d+3=15

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Solution for 12d+3=15 equation: 


Simplifying
12d + 3 = 15

Reorder the terms:
3 + 12d = 15

Solving
3 + 12d = 15

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 + 12d = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 12d = 15 + -3
12d = 15 + -3

Combine like terms: 15 + -3 = 12
12d = 12

Divide each side by '12'.
d = 1

Simplifying
d = 1

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