3x+5x=9+4x

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Solution for 3x+5x=9+4x equation: 


Simplifying
3x + 5x = 9 + 4x

Combine like terms: 3x + 5x = 8x
8x = 9 + 4x

Solving
8x = 9 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
8x + -4x = 9 + 4x + -4x

Combine like terms: 8x + -4x = 4x
4x = 9 + 4x + -4x

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

Divide each side by '4'.
x = 2.25

Simplifying
x = 2.25

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