7z-z=-9-7-2z

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Solution for 7z-z=-9-7-2z equation:


Simplifying
7z + -1z = -9 + -7 + -2z

Combine like terms: 7z + -1z = 6z
6z = -9 + -7 + -2z

Combine like terms: -9 + -7 = -16
6z = -16 + -2z

Solving
6z = -16 + -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.
6z + 2z = -16 + -2z + 2z

Combine like terms: 6z + 2z = 8z
8z = -16 + -2z + 2z

Combine like terms: -2z + 2z = 0
8z = -16 + 0
8z = -16

Divide each side by '8'.
z = -2

Simplifying
z = -2

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