7.2*X-4.2=5.8*X+2.1

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Solution for 7.2*X-4.2=5.8*X+2.1 equation: 


Simplifying
7.2X + -4.2 = 5.8X + 2.1

Reorder the terms:
-4.2 + 7.2X = 5.8X + 2.1

Reorder the terms:
-4.2 + 7.2X = 2.1 + 5.8X

Solving
-4.2 + 7.2X = 2.1 + 5.8X

Solving for variable 'X'.

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

Add '-5.8X' to each side of the equation.
-4.2 + 7.2X + -5.8X = 2.1 + 5.8X + -5.8X

Combine like terms: 7.2X + -5.8X = 1.4X
-4.2 + 1.4X = 2.1 + 5.8X + -5.8X

Combine like terms: 5.8X + -5.8X = 0.0
-4.2 + 1.4X = 2.1 + 0.0
-4.2 + 1.4X = 2.1

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 1.4X = 2.1 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 1.4X = 2.1 + 4.2
1.4X = 2.1 + 4.2

Combine like terms: 2.1 + 4.2 = 6.3
1.4X = 6.3

Divide each side by '1.4'.
X = 4.5

Simplifying
X = 4.5

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