5z-7z=4

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Solution for 5z-7z=4 equation: 


Simplifying
5z + -7z = 4

Combine like terms: 5z + -7z = -2z
-2z = 4

Solving
-2z = 4

Solving for variable 'z'.

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

Divide each side by '-2'.
z = -2

Simplifying
z = -2

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