3x+9+4x+x=2x+9

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Solution for 3x+9+4x+x=2x+9 equation:


Simplifying
3x + 9 + 4x + x = 2x + 9

Reorder the terms:
9 + 3x + 4x + x = 2x + 9

Combine like terms: 3x + 4x = 7x
9 + 7x + x = 2x + 9

Combine like terms: 7x + x = 8x
9 + 8x = 2x + 9

Reorder the terms:
9 + 8x = 9 + 2x

Add '-9' to each side of the equation.
9 + -9 + 8x = 9 + -9 + 2x

Combine like terms: 9 + -9 = 0
0 + 8x = 9 + -9 + 2x
8x = 9 + -9 + 2x

Combine like terms: 9 + -9 = 0
8x = 0 + 2x
8x = 2x

Solving
8x = 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
8x + -2x = 2x + -2x

Combine like terms: 8x + -2x = 6x
6x = 2x + -2x

Combine like terms: 2x + -2x = 0
6x = 0

Divide each side by '6'.
x = 0

Simplifying
x = 0

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