3z+12=8z-39

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Solution for 3z+12=8z-39 equation:


Simplifying
3z + 12 = 8z + -39

Reorder the terms:
12 + 3z = 8z + -39

Reorder the terms:
12 + 3z = -39 + 8z

Solving
12 + 3z = -39 + 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.
12 + 3z + -8z = -39 + 8z + -8z

Combine like terms: 3z + -8z = -5z
12 + -5z = -39 + 8z + -8z

Combine like terms: 8z + -8z = 0
12 + -5z = -39 + 0
12 + -5z = -39

Add '-12' to each side of the equation.
12 + -12 + -5z = -39 + -12

Combine like terms: 12 + -12 = 0
0 + -5z = -39 + -12
-5z = -39 + -12

Combine like terms: -39 + -12 = -51
-5z = -51

Divide each side by '-5'.
z = 10.2

Simplifying
z = 10.2

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