-3.9-6z-6.4-z=-6z+8.9

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Solution for -3.9-6z-6.4-z=-6z+8.9 equation: 


Simplifying
-3.9 + -6z + -6.4 + -1z = -6z + 8.9

Reorder the terms:
-3.9 + -6.4 + -6z + -1z = -6z + 8.9

Combine like terms: -3.9 + -6.4 = -10.3
-10.3 + -6z + -1z = -6z + 8.9

Combine like terms: -6z + -1z = -7z
-10.3 + -7z = -6z + 8.9

Reorder the terms:
-10.3 + -7z = 8.9 + -6z

Solving
-10.3 + -7z = 8.9 + -6z

Solving for variable 'z'.

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

Add '6z' to each side of the equation.
-10.3 + -7z + 6z = 8.9 + -6z + 6z

Combine like terms: -7z + 6z = -1z
-10.3 + -1z = 8.9 + -6z + 6z

Combine like terms: -6z + 6z = 0
-10.3 + -1z = 8.9 + 0
-10.3 + -1z = 8.9

Add '10.3' to each side of the equation.
-10.3 + 10.3 + -1z = 8.9 + 10.3

Combine like terms: -10.3 + 10.3 = 0.0
0.0 + -1z = 8.9 + 10.3
-1z = 8.9 + 10.3

Combine like terms: 8.9 + 10.3 = 19.2
-1z = 19.2

Divide each side by '-1'.
z = -19.2

Simplifying
z = -19.2

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