3=2d-1

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Solution for 3=2d-1 equation:


Simplifying
3 = 2d + -1

Reorder the terms:
3 = -1 + 2d

Solving
3 = -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.
3 + -2d = -1 + 2d + -2d

Combine like terms: 2d + -2d = 0
3 + -2d = -1 + 0
3 + -2d = -1

Add '-3' to each side of the equation.
3 + -3 + -2d = -1 + -3

Combine like terms: 3 + -3 = 0
0 + -2d = -1 + -3
-2d = -1 + -3

Combine like terms: -1 + -3 = -4
-2d = -4

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

Simplifying
d = 2

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