9=2d+1

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Solution for 9=2d+1 equation:


Simplifying
9 = 2d + 1

Reorder the terms:
9 = 1 + 2d

Solving
9 = 1 + 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
9 + -2d = 1 + 2d + -2d

Combine like terms: 2d + -2d = 0
9 + -2d = 1 + 0
9 + -2d = 1

Add '-9' to each side of the equation.
9 + -9 + -2d = 1 + -9

Combine like terms: 9 + -9 = 0
0 + -2d = 1 + -9
-2d = 1 + -9

Combine like terms: 1 + -9 = -8
-2d = -8

Divide each side by '-2'.
d = 4

Simplifying
d = 4

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