2-1z=4.5

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Solution for 2-1z=4.5 equation: 


Simplifying
2 + -1z = 4.5

Solving
2 + -1z = 4.5

Solving for variable 'z'.

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

Add '-2' to each side of the equation.
2 + -2 + -1z = 4.5 + -2

Combine like terms: 2 + -2 = 0
0 + -1z = 4.5 + -2
-1z = 4.5 + -2

Combine like terms: 4.5 + -2 = 2.5
-1z = 2.5

Divide each side by '-1'.
z = -2.5

Simplifying
z = -2.5

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