7z-4z=-5-4

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Solution for 7z-4z=-5-4 equation: 


Simplifying
7z + -4z = -5 + -4

Combine like terms: 7z + -4z = 3z
3z = -5 + -4

Combine like terms: -5 + -4 = -9
3z = -9

Solving
3z = -9

Solving for variable 'z'.

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

Divide each side by '3'.
z = -3

Simplifying
z = -3

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