z+4.2=9.1

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Solution for z+4.2=9.1 equation: 


Simplifying
z + 4.2 = 9.1

Reorder the terms:
4.2 + z = 9.1

Solving
4.2 + z = 9.1

Solving for variable 'z'.

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

Add '-4.2' to each side of the equation.
4.2 + -4.2 + z = 9.1 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + z = 9.1 + -4.2
z = 9.1 + -4.2

Combine like terms: 9.1 + -4.2 = 4.9
z = 4.9

Simplifying
z = 4.9

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