12z+12-3z-9=4z-12+4z-12

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Solution for 12z+12-3z-9=4z-12+4z-12 equation:


Simplifying
12z + 12 + -3z + -9 = 4z + -12 + 4z + -12

Reorder the terms:
12 + -9 + 12z + -3z = 4z + -12 + 4z + -12

Combine like terms: 12 + -9 = 3
3 + 12z + -3z = 4z + -12 + 4z + -12

Combine like terms: 12z + -3z = 9z
3 + 9z = 4z + -12 + 4z + -12

Reorder the terms:
3 + 9z = -12 + -12 + 4z + 4z

Combine like terms: -12 + -12 = -24
3 + 9z = -24 + 4z + 4z

Combine like terms: 4z + 4z = 8z
3 + 9z = -24 + 8z

Solving
3 + 9z = -24 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
3 + 9z + -8z = -24 + 8z + -8z

Combine like terms: 9z + -8z = 1z
3 + 1z = -24 + 8z + -8z

Combine like terms: 8z + -8z = 0
3 + 1z = -24 + 0
3 + 1z = -24

Add '-3' to each side of the equation.
3 + -3 + 1z = -24 + -3

Combine like terms: 3 + -3 = 0
0 + 1z = -24 + -3
1z = -24 + -3

Combine like terms: -24 + -3 = -27
1z = -27

Divide each side by '1'.
z = -27

Simplifying
z = -27

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