x+2x+2x-1=9

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


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

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

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

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

Solving
-1 + 5x = 9

Solving for variable 'x'.

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

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

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

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

Divide each side by '5'.
x = 2

Simplifying
x = 2

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