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 = 4z
-1.2x + 4z = 0

Solving
-1.2x + 4z = 0

Solving for variable 'x'.

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

Add '-4z' to each side of the equation.
-1.2x + 4z + -4z = 0 + -4z

Combine like terms: 4z + -4z = 0
-1.2x + 0 = 0 + -4z
-1.2x = 0 + -4z
Remove the zero:
-1.2x = -4z

Divide each side by '-1.2'.
x = 3.333333333z

Simplifying
x = 3.333333333z

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