x+(x-31.8)+(x+24.5)=199.1

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Solution for x+(x-31.8)+(x+24.5)=199.1 equation: 


Simplifying
x + (x + -31.8) + (x + 24.5) = 199.1

Reorder the terms:
x + (-31.8 + x) + (x + 24.5) = 199.1

Remove parenthesis around (-31.8 + x)
x + -31.8 + x + (x + 24.5) = 199.1

Reorder the terms:
x + -31.8 + x + (24.5 + x) = 199.1

Remove parenthesis around (24.5 + x)
x + -31.8 + x + 24.5 + x = 199.1

Reorder the terms:
-31.8 + 24.5 + x + x + x = 199.1

Combine like terms: -31.8 + 24.5 = -7.3
-7.3 + x + x + x = 199.1

Combine like terms: x + x = 2x
-7.3 + 2x + x = 199.1

Combine like terms: 2x + x = 3x
-7.3 + 3x = 199.1

Solving
-7.3 + 3x = 199.1

Solving for variable 'x'.

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

Add '7.3' to each side of the equation.
-7.3 + 7.3 + 3x = 199.1 + 7.3

Combine like terms: -7.3 + 7.3 = 0.0
0.0 + 3x = 199.1 + 7.3
3x = 199.1 + 7.3

Combine like terms: 199.1 + 7.3 = 206.4
3x = 206.4

Divide each side by '3'.
x = 68.8

Simplifying
x = 68.8

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