-3z+7z=-3z-3-z

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Solution for -3z+7z=-3z-3-z equation: 


Simplifying
-3z + 7z = -3z + -3 + -1z

Combine like terms: -3z + 7z = 4z
4z = -3z + -3 + -1z

Reorder the terms:
4z = -3 + -3z + -1z

Combine like terms: -3z + -1z = -4z
4z = -3 + -4z

Solving
4z = -3 + -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
4z + 4z = -3 + -4z + 4z

Combine like terms: 4z + 4z = 8z
8z = -3 + -4z + 4z

Combine like terms: -4z + 4z = 0
8z = -3 + 0
8z = -3

Divide each side by '8'.
z = -0.375

Simplifying
z = -0.375

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