-4.2=z+2.1

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Solution for -4.2=z+2.1 equation: 


Simplifying
-4.2 = z + 2.1

Reorder the terms:
-4.2 = 2.1 + z

Solving
-4.2 = 2.1 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-4.2 + -1z = 2.1 + z + -1z

Combine like terms: z + -1z = 0
-4.2 + -1z = 2.1 + 0
-4.2 + -1z = 2.1

Add '4.2' to each side of the equation.
-4.2 + 4.2 + -1z = 2.1 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + -1z = 2.1 + 4.2
-1z = 2.1 + 4.2

Combine like terms: 2.1 + 4.2 = 6.3
-1z = 6.3

Divide each side by '-1'.
z = -6.3

Simplifying
z = -6.3

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