.7z+1.9+0.1=5.5-0.4z

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Solution for .7z+1.9+0.1=5.5-0.4z equation: 


Simplifying
0.7z + 1.9 + 0.1 = 5.5 + -0.4z

Reorder the terms:
1.9 + 0.1 + 0.7z = 5.5 + -0.4z

Combine like terms: 1.9 + 0.1 = 2
2 + 0.7z = 5.5 + -0.4z

Solving
2 + 0.7z = 5.5 + -0.4z

Solving for variable 'z'.

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

Add '0.4z' to each side of the equation.
2 + 0.7z + 0.4z = 5.5 + -0.4z + 0.4z

Combine like terms: 0.7z + 0.4z = 1.1z
2 + 1.1z = 5.5 + -0.4z + 0.4z

Combine like terms: -0.4z + 0.4z = 0.0
2 + 1.1z = 5.5 + 0.0
2 + 1.1z = 5.5

Add '-2' to each side of the equation.
2 + -2 + 1.1z = 5.5 + -2

Combine like terms: 2 + -2 = 0
0 + 1.1z = 5.5 + -2
1.1z = 5.5 + -2

Combine like terms: 5.5 + -2 = 3.5
1.1z = 3.5

Divide each side by '1.1'.
z = 3.181818182

Simplifying
z = 3.181818182

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