9=x+2x+(2x-1)

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Solution for 9=x+2x+(2x-1) equation:


Simplifying
9 = x + 2x + (2x + -1)

Reorder the terms:
9 = x + 2x + (-1 + 2x)

Remove parenthesis around (-1 + 2x)
9 = x + 2x + -1 + 2x

Reorder the terms:
9 = -1 + x + 2x + 2x

Combine like terms: x + 2x = 3x
9 = -1 + 3x + 2x

Combine like terms: 3x + 2x = 5x
9 = -1 + 5x

Solving
9 = -1 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
9 + -5x = -1 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + -5x = -1 + 0
9 + -5x = -1

Add '-9' to each side of the equation.
9 + -9 + -5x = -1 + -9

Combine like terms: 9 + -9 = 0
0 + -5x = -1 + -9
-5x = -1 + -9

Combine like terms: -1 + -9 = -10
-5x = -10

Divide each side by '-5'.
x = 2

Simplifying
x = 2

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