19-z=3z-9

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


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

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

Solving
19 + -1z = -9 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
19 + -1z + -3z = -9 + 3z + -3z

Combine like terms: -1z + -3z = -4z
19 + -4z = -9 + 3z + -3z

Combine like terms: 3z + -3z = 0
19 + -4z = -9 + 0
19 + -4z = -9

Add '-19' to each side of the equation.
19 + -19 + -4z = -9 + -19

Combine like terms: 19 + -19 = 0
0 + -4z = -9 + -19
-4z = -9 + -19

Combine like terms: -9 + -19 = -28
-4z = -28

Divide each side by '-4'.
z = 7

Simplifying
z = 7

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