9z-7z-z+3=19

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Solution for 9z-7z-z+3=19 equation:


Simplifying
9z + -7z + -1z + 3 = 19

Reorder the terms:
3 + 9z + -7z + -1z = 19

Combine like terms: 9z + -7z = 2z
3 + 2z + -1z = 19

Combine like terms: 2z + -1z = 1z
3 + 1z = 19

Solving
3 + 1z = 19

Solving for variable 'z'.

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

Add '-3' to each side of the equation.
3 + -3 + 1z = 19 + -3

Combine like terms: 3 + -3 = 0
0 + 1z = 19 + -3
1z = 19 + -3

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

Divide each side by '1'.
z = 16

Simplifying
z = 16

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