-4=-9+z

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Solution for -4=-9+z equation: 


Simplifying
-4 = -9 + z

Solving
-4 = -9 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-4 + -1z = -9 + z + -1z

Combine like terms: z + -1z = 0
-4 + -1z = -9 + 0
-4 + -1z = -9

Add '4' to each side of the equation.
-4 + 4 + -1z = -9 + 4

Combine like terms: -4 + 4 = 0
0 + -1z = -9 + 4
-1z = -9 + 4

Combine like terms: -9 + 4 = -5
-1z = -5

Divide each side by '-1'.
z = 5

Simplifying
z = 5

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