9-4z=51

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Solution for 9-4z=51 equation: 


Simplifying
9 + -4z = 51

Solving
9 + -4z = 51

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 + -4z = 51 + -9

Combine like terms: 9 + -9 = 0
0 + -4z = 51 + -9
-4z = 51 + -9

Combine like terms: 51 + -9 = 42
-4z = 42

Divide each side by '-4'.
z = -10.5

Simplifying
z = -10.5

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