34-4z=42

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Solution for 34-4z=42 equation: 


Simplifying
34 + -4z = 42

Solving
34 + -4z = 42

Solving for variable 'z'.

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

Add '-34' to each side of the equation.
34 + -34 + -4z = 42 + -34

Combine like terms: 34 + -34 = 0
0 + -4z = 42 + -34
-4z = 42 + -34

Combine like terms: 42 + -34 = 8
-4z = 8

Divide each side by '-4'.
z = -2

Simplifying
z = -2

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