2.1x-1.72=0.84-4.3x

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Solution for 2.1x-1.72=0.84-4.3x equation: 


Simplifying
2.1x + -1.72 = 0.84 + -4.3x

Reorder the terms:
-1.72 + 2.1x = 0.84 + -4.3x

Solving
-1.72 + 2.1x = 0.84 + -4.3x

Solving for variable 'x'.

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

Add '4.3x' to each side of the equation.
-1.72 + 2.1x + 4.3x = 0.84 + -4.3x + 4.3x

Combine like terms: 2.1x + 4.3x = 6.4x
-1.72 + 6.4x = 0.84 + -4.3x + 4.3x

Combine like terms: -4.3x + 4.3x = 0.0
-1.72 + 6.4x = 0.84 + 0.0
-1.72 + 6.4x = 0.84

Add '1.72' to each side of the equation.
-1.72 + 1.72 + 6.4x = 0.84 + 1.72

Combine like terms: -1.72 + 1.72 = 0.00
0.00 + 6.4x = 0.84 + 1.72
6.4x = 0.84 + 1.72

Combine like terms: 0.84 + 1.72 = 2.56
6.4x = 2.56

Divide each side by '6.4'.
x = 0.4

Simplifying
x = 0.4

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