-21+22d=42

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Solution for -21+22d=42 equation: 


Simplifying
-21 + 22d = 42

Solving
-21 + 22d = 42

Solving for variable 'd'.

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

Add '21' to each side of the equation.
-21 + 21 + 22d = 42 + 21

Combine like terms: -21 + 21 = 0
0 + 22d = 42 + 21
22d = 42 + 21

Combine like terms: 42 + 21 = 63
22d = 63

Divide each side by '22'.
d = 2.863636364

Simplifying
d = 2.863636364

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