4z-9=-2

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Solution for 4z-9=-2 equation: 


Simplifying
4z + -9 = -2

Reorder the terms:
-9 + 4z = -2

Solving
-9 + 4z = -2

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 = -2 + 9

Combine like terms: -9 + 9 = 0
0 + 4z = -2 + 9
4z = -2 + 9

Combine like terms: -2 + 9 = 7
4z = 7

Divide each side by '4'.
z = 1.75

Simplifying
z = 1.75

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