12z-31=7z-1

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Solution for 12z-31=7z-1 equation:


Simplifying
12z + -31 = 7z + -1

Reorder the terms:
-31 + 12z = 7z + -1

Reorder the terms:
-31 + 12z = -1 + 7z

Solving
-31 + 12z = -1 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
-31 + 12z + -7z = -1 + 7z + -7z

Combine like terms: 12z + -7z = 5z
-31 + 5z = -1 + 7z + -7z

Combine like terms: 7z + -7z = 0
-31 + 5z = -1 + 0
-31 + 5z = -1

Add '31' to each side of the equation.
-31 + 31 + 5z = -1 + 31

Combine like terms: -31 + 31 = 0
0 + 5z = -1 + 31
5z = -1 + 31

Combine like terms: -1 + 31 = 30
5z = 30

Divide each side by '5'.
z = 6

Simplifying
z = 6

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