x+(x-1)+(x+1.9)=9

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Solution for x+(x-1)+(x+1.9)=9 equation:


Simplifying
x + (x + -1) + (x + 1.9) = 9

Reorder the terms:
x + (-1 + x) + (x + 1.9) = 9

Remove parenthesis around (-1 + x)
x + -1 + x + (x + 1.9) = 9

Reorder the terms:
x + -1 + x + (1.9 + x) = 9

Remove parenthesis around (1.9 + x)
x + -1 + x + 1.9 + x = 9

Reorder the terms:
-1 + 1.9 + x + x + x = 9

Combine like terms: -1 + 1.9 = 0.9
0.9 + x + x + x = 9

Combine like terms: x + x = 2x
0.9 + 2x + x = 9

Combine like terms: 2x + x = 3x
0.9 + 3x = 9

Solving
0.9 + 3x = 9

Solving for variable 'x'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + 3x = 9 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + 3x = 9 + -0.9
3x = 9 + -0.9

Combine like terms: 9 + -0.9 = 8.1
3x = 8.1

Divide each side by '3'.
x = 2.7

Simplifying
x = 2.7

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