3x+9+4x+x=

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


Simplifying
3x + 9 + 4x + x = 0

Reorder the terms:
9 + 3x + 4x + x = 0

Combine like terms: 3x + 4x = 7x
9 + 7x + x = 0

Combine like terms: 7x + x = 8x
9 + 8x = 0

Solving
9 + 8x = 0

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 8x = 0 + -9

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

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

Divide each side by '8'.
x = -1.125

Simplifying
x = -1.125

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