5d-19=21

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Solution for 5d-19=21 equation: 


Simplifying
5d + -19 = 21

Reorder the terms:
-19 + 5d = 21

Solving
-19 + 5d = 21

Solving for variable 'd'.

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

Add '19' to each side of the equation.
-19 + 19 + 5d = 21 + 19

Combine like terms: -19 + 19 = 0
0 + 5d = 21 + 19
5d = 21 + 19

Combine like terms: 21 + 19 = 40
5d = 40

Divide each side by '5'.
d = 8

Simplifying
d = 8

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