-16=d-21

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Solution for -16=d-21 equation:


Simplifying
-16 = d + -21

Reorder the terms:
-16 = -21 + d

Solving
-16 = -21 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
-16 + -1d = -21 + d + -1d

Combine like terms: d + -1d = 0
-16 + -1d = -21 + 0
-16 + -1d = -21

Add '16' to each side of the equation.
-16 + 16 + -1d = -21 + 16

Combine like terms: -16 + 16 = 0
0 + -1d = -21 + 16
-1d = -21 + 16

Combine like terms: -21 + 16 = -5
-1d = -5

Divide each side by '-1'.
d = 5

Simplifying
d = 5

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