4d+6=-21

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Solution for 4d+6=-21 equation: 


Simplifying
4d + 6 = -21

Reorder the terms:
6 + 4d = -21

Solving
6 + 4d = -21

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 = -21 + -6

Combine like terms: 6 + -6 = 0
0 + 4d = -21 + -6
4d = -21 + -6

Combine like terms: -21 + -6 = -27
4d = -27

Divide each side by '4'.
d = -6.75

Simplifying
d = -6.75

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