z+-4z=-15

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Solution for z+-4z=-15 equation: 


Simplifying
z + -4z = -15

Combine like terms: z + -4z = -3z
-3z = -15

Solving
-3z = -15

Solving for variable 'z'.

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

Divide each side by '-3'.
z = 5

Simplifying
z = 5

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