2x+x+(9+x)=111

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Solution for 2x+x+(9+x)=111 equation:


Simplifying
2x + x + (9 + x) = 111

Remove parenthesis around (9 + x)
2x + x + 9 + x = 111

Reorder the terms:
9 + 2x + x + x = 111

Combine like terms: 2x + x = 3x
9 + 3x + x = 111

Combine like terms: 3x + x = 4x
9 + 4x = 111

Solving
9 + 4x = 111

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 4x = 111 + -9

Combine like terms: 9 + -9 = 0
0 + 4x = 111 + -9
4x = 111 + -9

Combine like terms: 111 + -9 = 102
4x = 102

Divide each side by '4'.
x = 25.5

Simplifying
x = 25.5

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