20z-15=13z-1

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Solution for 20z-15=13z-1 equation:


Simplifying
20z + -15 = 13z + -1

Reorder the terms:
-15 + 20z = 13z + -1

Reorder the terms:
-15 + 20z = -1 + 13z

Solving
-15 + 20z = -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 + 20z + -13z = -1 + 13z + -13z

Combine like terms: 20z + -13z = 7z
-15 + 7z = -1 + 13z + -13z

Combine like terms: 13z + -13z = 0
-15 + 7z = -1 + 0
-15 + 7z = -1

Add '15' to each side of the equation.
-15 + 15 + 7z = -1 + 15

Combine like terms: -15 + 15 = 0
0 + 7z = -1 + 15
7z = -1 + 15

Combine like terms: -1 + 15 = 14
7z = 14

Divide each side by '7'.
z = 2

Simplifying
z = 2

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