z-2=4.2

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Solution for z-2=4.2 equation: 


Simplifying
z + -2 = 4.2

Reorder the terms:
-2 + z = 4.2

Solving
-2 + z = 4.2

Solving for variable 'z'.

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

Add '2' to each side of the equation.
-2 + 2 + z = 4.2 + 2

Combine like terms: -2 + 2 = 0
0 + z = 4.2 + 2
z = 4.2 + 2

Combine like terms: 4.2 + 2 = 6.2
z = 6.2

Simplifying
z = 6.2

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