-6.4=0.3z-1.2z+3.5

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Solution for -6.4=0.3z-1.2z+3.5 equation: 


Simplifying
-6.4 = 0.3z + -1.2z + 3.5

Reorder the terms:
-6.4 = 3.5 + 0.3z + -1.2z

Combine like terms: 0.3z + -1.2z = -0.9z
-6.4 = 3.5 + -0.9z

Solving
-6.4 = 3.5 + -0.9z

Solving for variable 'z'.

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

Add '0.9z' to each side of the equation.
-6.4 + 0.9z = 3.5 + -0.9z + 0.9z

Combine like terms: -0.9z + 0.9z = 0.0
-6.4 + 0.9z = 3.5 + 0.0
-6.4 + 0.9z = 3.5

Add '6.4' to each side of the equation.
-6.4 + 6.4 + 0.9z = 3.5 + 6.4

Combine like terms: -6.4 + 6.4 = 0.0
0.0 + 0.9z = 3.5 + 6.4
0.9z = 3.5 + 6.4

Combine like terms: 3.5 + 6.4 = 9.9
0.9z = 9.9

Divide each side by '0.9'.
z = 11

Simplifying
z = 11

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