3x+4.5x=15

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Solution for 3x+4.5x=15 equation: 


Simplifying
3x + 4.5x = 15

Combine like terms: 3x + 4.5x = 7.5x
7.5x = 15

Solving
7.5x = 15

Solving for variable 'x'.

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

Divide each side by '7.5'.
x = 2

Simplifying
x = 2

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