-9+9z+4-2z=

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Solution for -9+9z+4-2z= equation:


Simplifying
-9 + 9z + 4 + -2z = 0

Reorder the terms:
-9 + 4 + 9z + -2z = 0

Combine like terms: -9 + 4 = -5
-5 + 9z + -2z = 0

Combine like terms: 9z + -2z = 7z
-5 + 7z = 0

Solving
-5 + 7z = 0

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + 7z = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 7z = 0 + 5
7z = 0 + 5

Combine like terms: 0 + 5 = 5
7z = 5

Divide each side by '7'.
z = 0.7142857143

Simplifying
z = 0.7142857143

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