9z-7=4

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Solution for 9z-7=4 equation: 


Simplifying
9z + -7 = 4

Reorder the terms:
-7 + 9z = 4

Solving
-7 + 9z = 4

Solving for variable 'z'.

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

Add '7' to each side of the equation.
-7 + 7 + 9z = 4 + 7

Combine like terms: -7 + 7 = 0
0 + 9z = 4 + 7
9z = 4 + 7

Combine like terms: 4 + 7 = 11
9z = 11

Divide each side by '9'.
z = 1.222222222

Simplifying
z = 1.222222222

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