9z+9-2z+4=4z-8+2z-8

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Solution for 9z+9-2z+4=4z-8+2z-8 equation: 


Simplifying
9z + 9 + -2z + 4 = 4z + -8 + 2z + -8

Reorder the terms:
9 + 4 + 9z + -2z = 4z + -8 + 2z + -8

Combine like terms: 9 + 4 = 13
13 + 9z + -2z = 4z + -8 + 2z + -8

Combine like terms: 9z + -2z = 7z
13 + 7z = 4z + -8 + 2z + -8

Reorder the terms:
13 + 7z = -8 + -8 + 4z + 2z

Combine like terms: -8 + -8 = -16
13 + 7z = -16 + 4z + 2z

Combine like terms: 4z + 2z = 6z
13 + 7z = -16 + 6z

Solving
13 + 7z = -16 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
13 + 7z + -6z = -16 + 6z + -6z

Combine like terms: 7z + -6z = 1z
13 + 1z = -16 + 6z + -6z

Combine like terms: 6z + -6z = 0
13 + 1z = -16 + 0
13 + 1z = -16

Add '-13' to each side of the equation.
13 + -13 + 1z = -16 + -13

Combine like terms: 13 + -13 = 0
0 + 1z = -16 + -13
1z = -16 + -13

Combine like terms: -16 + -13 = -29
1z = -29

Divide each side by '1'.
z = -29

Simplifying
z = -29

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