9z+2=12z-4

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Solution for 9z+2=12z-4 equation:


Simplifying
9z + 2 = 12z + -4

Reorder the terms:
2 + 9z = 12z + -4

Reorder the terms:
2 + 9z = -4 + 12z

Solving
2 + 9z = -4 + 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.
2 + 9z + -12z = -4 + 12z + -12z

Combine like terms: 9z + -12z = -3z
2 + -3z = -4 + 12z + -12z

Combine like terms: 12z + -12z = 0
2 + -3z = -4 + 0
2 + -3z = -4

Add '-2' to each side of the equation.
2 + -2 + -3z = -4 + -2

Combine like terms: 2 + -2 = 0
0 + -3z = -4 + -2
-3z = -4 + -2

Combine like terms: -4 + -2 = -6
-3z = -6

Divide each side by '-3'.
z = 2

Simplifying
z = 2

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