15z+1=13z-1

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


Simplifying
15z + 1 = 13z + -1

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

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

Solving
1 + 15z = -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.
1 + 15z + -13z = -1 + 13z + -13z

Combine like terms: 15z + -13z = 2z
1 + 2z = -1 + 13z + -13z

Combine like terms: 13z + -13z = 0
1 + 2z = -1 + 0
1 + 2z = -1

Add '-1' to each side of the equation.
1 + -1 + 2z = -1 + -1

Combine like terms: 1 + -1 = 0
0 + 2z = -1 + -1
2z = -1 + -1

Combine like terms: -1 + -1 = -2
2z = -2

Divide each side by '2'.
z = -1

Simplifying
z = -1

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