3z-12=13+8z

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Solution for 3z-12=13+8z equation:


Simplifying
3z + -12 = 13 + 8z

Reorder the terms:
-12 + 3z = 13 + 8z

Solving
-12 + 3z = 13 + 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 = 13 + 8z + -8z

Combine like terms: 3z + -8z = -5z
-12 + -5z = 13 + 8z + -8z

Combine like terms: 8z + -8z = 0
-12 + -5z = 13 + 0
-12 + -5z = 13

Add '12' to each side of the equation.
-12 + 12 + -5z = 13 + 12

Combine like terms: -12 + 12 = 0
0 + -5z = 13 + 12
-5z = 13 + 12

Combine like terms: 13 + 12 = 25
-5z = 25

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

Simplifying
z = -5

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