6d+3=21

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Solution for 6d+3=21 equation: 


Simplifying
6d + 3 = 21

Reorder the terms:
3 + 6d = 21

Solving
3 + 6d = 21

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 = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 6d = 21 + -3
6d = 21 + -3

Combine like terms: 21 + -3 = 18
6d = 18

Divide each side by '6'.
d = 3

Simplifying
d = 3

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