2x+x+11.5=115

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Solution for 2x+x+11.5=115 equation:


Simplifying
2x + x + 11.5 = 115

Reorder the terms:
11.5 + 2x + x = 115

Combine like terms: 2x + x = 3x
11.5 + 3x = 115

Solving
11.5 + 3x = 115

Solving for variable 'x'.

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

Add '-11.5' to each side of the equation.
11.5 + -11.5 + 3x = 115 + -11.5

Combine like terms: 11.5 + -11.5 = 0.0
0.0 + 3x = 115 + -11.5
3x = 115 + -11.5

Combine like terms: 115 + -11.5 = 103.5
3x = 103.5

Divide each side by '3'.
x = 34.5

Simplifying
x = 34.5

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