9-7z=-19

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Solution for 9-7z=-19 equation: 


Simplifying
9 + -7z = -19

Solving
9 + -7z = -19

Solving for variable 'z'.

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

Add '-9' to each side of the equation.
9 + -9 + -7z = -19 + -9

Combine like terms: 9 + -9 = 0
0 + -7z = -19 + -9
-7z = -19 + -9

Combine like terms: -19 + -9 = -28
-7z = -28

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

Simplifying
z = 4

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