-7z+8z=-z-3-z

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Solution for -7z+8z=-z-3-z equation:


Simplifying
-7z + 8z = -1z + -3 + -1z

Combine like terms: -7z + 8z = 1z
1z = -1z + -3 + -1z

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

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

Solving
1z = -3 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
1z + 2z = -3 + -2z + 2z

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

Combine like terms: -2z + 2z = 0
3z = -3 + 0
3z = -3

Divide each side by '3'.
z = -1

Simplifying
z = -1

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