3.1x+2.8z-4.3x-1.2z=

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Solution for 3.1x+2.8z-4.3x-1.2z= equation: 


Simplifying
3.1x + 2.8z + -4.3x + -1.2z = 0

Reorder the terms:
3.1x + -4.3x + 2.8z + -1.2z = 0

Combine like terms: 3.1x + -4.3x = -1.2x
-1.2x + 2.8z + -1.2z = 0

Combine like terms: 2.8z + -1.2z = 1.6z
-1.2x + 1.6z = 0

Solving
-1.2x + 1.6z = 0

Solving for variable 'x'.

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

Add '-1.6z' to each side of the equation.
-1.2x + 1.6z + -1.6z = 0 + -1.6z

Combine like terms: 1.6z + -1.6z = 0.0
-1.2x + 0.0 = 0 + -1.6z
-1.2x = 0 + -1.6z
Remove the zero:
-1.2x = -1.6z

Divide each side by '-1.2'.
x = 1.333333333z

Simplifying
x = 1.333333333z

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