z*9-4=4

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Solution for z*9-4=4 equation:


Simplifying
z * 9 + -4 = 4

Reorder the terms for easier multiplication:
9z + -4 = 4

Reorder the terms:
-4 + 9z = 4

Solving
-4 + 9z = 4

Solving for variable 'z'.

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

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

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

Combine like terms: 4 + 4 = 8
9z = 8

Divide each side by '9'.
z = 0.8888888889

Simplifying
z = 0.8888888889

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