7z-z=-3+3z-2-1

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Solution for 7z-z=-3+3z-2-1 equation:


Simplifying
7z + -1z = -3 + 3z + -2 + -1

Combine like terms: 7z + -1z = 6z
6z = -3 + 3z + -2 + -1

Reorder the terms:
6z = -3 + -2 + -1 + 3z

Combine like terms: -3 + -2 = -5
6z = -5 + -1 + 3z

Combine like terms: -5 + -1 = -6
6z = -6 + 3z

Solving
6z = -6 + 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 = -6 + 3z + -3z

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

Combine like terms: 3z + -3z = 0
3z = -6 + 0
3z = -6

Divide each side by '3'.
z = -2

Simplifying
z = -2

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