15z-17=13z-19

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Solution for 15z-17=13z-19 equation:


Simplifying
15z + -17 = 13z + -19

Reorder the terms:
-17 + 15z = 13z + -19

Reorder the terms:
-17 + 15z = -19 + 13z

Solving
-17 + 15z = -19 + 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.
-17 + 15z + -13z = -19 + 13z + -13z

Combine like terms: 15z + -13z = 2z
-17 + 2z = -19 + 13z + -13z

Combine like terms: 13z + -13z = 0
-17 + 2z = -19 + 0
-17 + 2z = -19

Add '17' to each side of the equation.
-17 + 17 + 2z = -19 + 17

Combine like terms: -17 + 17 = 0
0 + 2z = -19 + 17
2z = -19 + 17

Combine like terms: -19 + 17 = -2
2z = -2

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

Simplifying
z = -1

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