12.1+x-7.2=5.3

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Solution for 12.1+x-7.2=5.3 equation: 


Simplifying
12.1 + x + -7.2 = 5.3

Reorder the terms:
12.1 + -7.2 + x = 5.3

Combine like terms: 12.1 + -7.2 = 4.9
4.9 + x = 5.3

Solving
4.9 + x = 5.3

Solving for variable 'x'.

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

Add '-4.9' to each side of the equation.
4.9 + -4.9 + x = 5.3 + -4.9

Combine like terms: 4.9 + -4.9 = 0.0
0.0 + x = 5.3 + -4.9
x = 5.3 + -4.9

Combine like terms: 5.3 + -4.9 = 0.4
x = 0.4

Simplifying
x = 0.4

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