(x+2)+(2x+9)=30

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Solution for (x+2)+(2x+9)=30 equation: 


Simplifying
(x + 2) + (2x + 9) = 30

Reorder the terms:
(2 + x) + (2x + 9) = 30

Remove parenthesis around (2 + x)
2 + x + (2x + 9) = 30

Reorder the terms:
2 + x + (9 + 2x) = 30

Remove parenthesis around (9 + 2x)
2 + x + 9 + 2x = 30

Reorder the terms:
2 + 9 + x + 2x = 30

Combine like terms: 2 + 9 = 11
11 + x + 2x = 30

Combine like terms: x + 2x = 3x
11 + 3x = 30

Solving
11 + 3x = 30

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 3x = 30 + -11

Combine like terms: 11 + -11 = 0
0 + 3x = 30 + -11
3x = 30 + -11

Combine like terms: 30 + -11 = 19
3x = 19

Divide each side by '3'.
x = 6.333333333

Simplifying
x = 6.333333333

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