.8Z+1.9=5.5-.4Z

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Solution for .8Z+1.9=5.5-.4Z equation:


Simplifying
0.8Z + 1.9 = 5.5 + -0.4Z

Reorder the terms:
1.9 + 0.8Z = 5.5 + -0.4Z

Solving
1.9 + 0.8Z = 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.
1.9 + 0.8Z + 0.4Z = 5.5 + -0.4Z + 0.4Z

Combine like terms: 0.8Z + 0.4Z = 1.2Z
1.9 + 1.2Z = 5.5 + -0.4Z + 0.4Z

Combine like terms: -0.4Z + 0.4Z = 0.0
1.9 + 1.2Z = 5.5 + 0.0
1.9 + 1.2Z = 5.5

Add '-1.9' to each side of the equation.
1.9 + -1.9 + 1.2Z = 5.5 + -1.9

Combine like terms: 1.9 + -1.9 = 0.0
0.0 + 1.2Z = 5.5 + -1.9
1.2Z = 5.5 + -1.9

Combine like terms: 5.5 + -1.9 = 3.6
1.2Z = 3.6

Divide each side by '1.2'.
Z = 3

Simplifying
Z = 3

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