2.1x-2.16=0.84-5.4x

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Solution for 2.1x-2.16=0.84-5.4x equation: 


Simplifying
2.1x + -2.16 = 0.84 + -5.4x

Reorder the terms:
-2.16 + 2.1x = 0.84 + -5.4x

Solving
-2.16 + 2.1x = 0.84 + -5.4x

Solving for variable 'x'.

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

Add '5.4x' to each side of the equation.
-2.16 + 2.1x + 5.4x = 0.84 + -5.4x + 5.4x

Combine like terms: 2.1x + 5.4x = 7.5x
-2.16 + 7.5x = 0.84 + -5.4x + 5.4x

Combine like terms: -5.4x + 5.4x = 0.0
-2.16 + 7.5x = 0.84 + 0.0
-2.16 + 7.5x = 0.84

Add '2.16' to each side of the equation.
-2.16 + 2.16 + 7.5x = 0.84 + 2.16

Combine like terms: -2.16 + 2.16 = 0.00
0.00 + 7.5x = 0.84 + 2.16
7.5x = 0.84 + 2.16

Combine like terms: 0.84 + 2.16 = 3
7.5x = 3

Divide each side by '7.5'.
x = 0.4

Simplifying
x = 0.4

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