2x+(x-4)=9

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Solution for 2x+(x-4)=9 equation:


Simplifying
2x + (x + -4) = 9

Reorder the terms:
2x + (-4 + x) = 9

Remove parenthesis around (-4 + x)
2x + -4 + x = 9

Reorder the terms:
-4 + 2x + x = 9

Combine like terms: 2x + x = 3x
-4 + 3x = 9

Solving
-4 + 3x = 9

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 3x = 9 + 4

Combine like terms: -4 + 4 = 0
0 + 3x = 9 + 4
3x = 9 + 4

Combine like terms: 9 + 4 = 13
3x = 13

Divide each side by '3'.
x = 4.333333333

Simplifying
x = 4.333333333

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