.1=1.8z-.8z+8.9

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Solution for .1=1.8z-.8z+8.9 equation:


Simplifying
0.1 = 1.8z + -0.8z + 8.9

Reorder the terms:
0.1 = 8.9 + 1.8z + -0.8z

Combine like terms: 1.8z + -0.8z = 1z
0.1 = 8.9 + 1z

Solving
0.1 = 8.9 + 1z

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.
0.1 + -1z = 8.9 + 1z + -1z

Combine like terms: 1z + -1z = 0
0.1 + -1z = 8.9 + 0
0.1 + -1z = 8.9

Add '-0.1' to each side of the equation.
0.1 + -0.1 + -1z = 8.9 + -0.1

Combine like terms: 0.1 + -0.1 = 0.0
0.0 + -1z = 8.9 + -0.1
-1z = 8.9 + -0.1

Combine like terms: 8.9 + -0.1 = 8.8
-1z = 8.8

Divide each side by '-1'.
z = -8.8

Simplifying
z = -8.8

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