13z+3z+z-7z-1=19

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Solution for 13z+3z+z-7z-1=19 equation:


Simplifying
13z + 3z + z + -7z + -1 = 19

Reorder the terms:
-1 + 13z + 3z + z + -7z = 19

Combine like terms: 13z + 3z = 16z
-1 + 16z + z + -7z = 19

Combine like terms: 16z + z = 17z
-1 + 17z + -7z = 19

Combine like terms: 17z + -7z = 10z
-1 + 10z = 19

Solving
-1 + 10z = 19

Solving for variable 'z'.

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

Add '1' to each side of the equation.
-1 + 1 + 10z = 19 + 1

Combine like terms: -1 + 1 = 0
0 + 10z = 19 + 1
10z = 19 + 1

Combine like terms: 19 + 1 = 20
10z = 20

Divide each side by '10'.
z = 2

Simplifying
z = 2

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