-9=-3z

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Solution for -9=-3z equation: 


Simplifying
-9 = -3z

Solving
-9 = -3z

Solving for variable 'z'.

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

Add '3z' to each side of the equation.
-9 + 3z = -3z + 3z

Combine like terms: -3z + 3z = 0
-9 + 3z = 0

Add '9' to each side of the equation.
-9 + 9 + 3z = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 3z = 0 + 9
3z = 0 + 9

Combine like terms: 0 + 9 = 9
3z = 9

Divide each side by '3'.
z = 3

Simplifying
z = 3

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