X+2.1=7.9

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Solution for X+2.1=7.9 equation: 


Simplifying
X + 2.1 = 7.9

Reorder the terms:
2.1 + X = 7.9

Solving
2.1 + X = 7.9

Solving for variable 'X'.

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

Add '-2.1' to each side of the equation.
2.1 + -2.1 + X = 7.9 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + X = 7.9 + -2.1
X = 7.9 + -2.1

Combine like terms: 7.9 + -2.1 = 5.8
X = 5.8

Simplifying
X = 5.8

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