17-7z-8=-16-12z

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Solution for 17-7z-8=-16-12z equation:


Simplifying
17 + -7z + -8 = -16 + -12z

Reorder the terms:
17 + -8 + -7z = -16 + -12z

Combine like terms: 17 + -8 = 9
9 + -7z = -16 + -12z

Solving
9 + -7z = -16 + -12z

Solving for variable 'z'.

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

Add '12z' to each side of the equation.
9 + -7z + 12z = -16 + -12z + 12z

Combine like terms: -7z + 12z = 5z
9 + 5z = -16 + -12z + 12z

Combine like terms: -12z + 12z = 0
9 + 5z = -16 + 0
9 + 5z = -16

Add '-9' to each side of the equation.
9 + -9 + 5z = -16 + -9

Combine like terms: 9 + -9 = 0
0 + 5z = -16 + -9
5z = -16 + -9

Combine like terms: -16 + -9 = -25
5z = -25

Divide each side by '5'.
z = -5

Simplifying
z = -5

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