8z-3=12z+9

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Solution for 8z-3=12z+9 equation:


Simplifying
8z + -3 = 12z + 9

Reorder the terms:
-3 + 8z = 12z + 9

Reorder the terms:
-3 + 8z = 9 + 12z

Solving
-3 + 8z = 9 + 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.
-3 + 8z + -12z = 9 + 12z + -12z

Combine like terms: 8z + -12z = -4z
-3 + -4z = 9 + 12z + -12z

Combine like terms: 12z + -12z = 0
-3 + -4z = 9 + 0
-3 + -4z = 9

Add '3' to each side of the equation.
-3 + 3 + -4z = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -4z = 9 + 3
-4z = 9 + 3

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

Divide each side by '-4'.
z = -3

Simplifying
z = -3

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