1.3+(x+2.1)=5.7

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Solution for 1.3+(x+2.1)=5.7 equation: 


Simplifying
1.3 + (x + 2.1) = 5.7

Reorder the terms:
1.3 + (2.1 + x) = 5.7

Remove parenthesis around (2.1 + x)
1.3 + 2.1 + x = 5.7

Combine like terms: 1.3 + 2.1 = 3.4
3.4 + x = 5.7

Solving
3.4 + x = 5.7

Solving for variable 'x'.

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

Add '-3.4' to each side of the equation.
3.4 + -3.4 + x = 5.7 + -3.4

Combine like terms: 3.4 + -3.4 = 0.0
0.0 + x = 5.7 + -3.4
x = 5.7 + -3.4

Combine like terms: 5.7 + -3.4 = 2.3
x = 2.3

Simplifying
x = 2.3

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