1-2z=3

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Solution for 1-2z=3 equation: 


Simplifying
1 + -2z = 3

Solving
1 + -2z = 3

Solving for variable 'z'.

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

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

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

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

Divide each side by '-2'.
z = -1

Simplifying
z = -1

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