12z+15=13z-1

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Solution for 12z+15=13z-1 equation:


Simplifying
12z + 15 = 13z + -1

Reorder the terms:
15 + 12z = 13z + -1

Reorder the terms:
15 + 12z = -1 + 13z

Solving
15 + 12z = -1 + 13z

Solving for variable 'z'.

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

Add '-13z' to each side of the equation.
15 + 12z + -13z = -1 + 13z + -13z

Combine like terms: 12z + -13z = -1z
15 + -1z = -1 + 13z + -13z

Combine like terms: 13z + -13z = 0
15 + -1z = -1 + 0
15 + -1z = -1

Add '-15' to each side of the equation.
15 + -15 + -1z = -1 + -15

Combine like terms: 15 + -15 = 0
0 + -1z = -1 + -15
-1z = -1 + -15

Combine like terms: -1 + -15 = -16
-1z = -16

Divide each side by '-1'.
z = 16

Simplifying
z = 16

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