21-6d=22-8d

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Solution for 21-6d=22-8d equation:


Simplifying
21 + -6d = 22 + -8d

Solving
21 + -6d = 22 + -8d

Solving for variable 'd'.

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

Add '8d' to each side of the equation.
21 + -6d + 8d = 22 + -8d + 8d

Combine like terms: -6d + 8d = 2d
21 + 2d = 22 + -8d + 8d

Combine like terms: -8d + 8d = 0
21 + 2d = 22 + 0
21 + 2d = 22

Add '-21' to each side of the equation.
21 + -21 + 2d = 22 + -21

Combine like terms: 21 + -21 = 0
0 + 2d = 22 + -21
2d = 22 + -21

Combine like terms: 22 + -21 = 1
2d = 1

Divide each side by '2'.
d = 0.5

Simplifying
d = 0.5

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