3=2z-1

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Solution for 3=2z-1 equation:


Simplifying
3 = 2z + -1

Reorder the terms:
3 = -1 + 2z

Solving
3 = -1 + 2z

Solving for variable 'z'.

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

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

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

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

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

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

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

Simplifying
z = 2

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