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

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Solution for 7z-z=-3+3z-1-3 equation:


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

Combine like terms: 7z + -1z = 6z
6z = -3 + 3z + -1 + -3

Reorder the terms:
6z = -3 + -1 + -3 + 3z

Combine like terms: -3 + -1 = -4
6z = -4 + -3 + 3z

Combine like terms: -4 + -3 = -7
6z = -7 + 3z

Solving
6z = -7 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
6z + -3z = -7 + 3z + -3z

Combine like terms: 6z + -3z = 3z
3z = -7 + 3z + -3z

Combine like terms: 3z + -3z = 0
3z = -7 + 0
3z = -7

Divide each side by '3'.
z = -2.333333333

Simplifying
z = -2.333333333

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