3x(1.25)+.75x=13.50

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Solution for 3x(1.25)+.75x=13.50 equation: 


Simplifying
3x(1.25) + 0.75x = 13.50

Reorder the terms for easier multiplication:
3 * 1.25x + 0.75x = 13.50

Multiply 3 * 1.25
3.75x + 0.75x = 13.50

Combine like terms: 3.75x + 0.75x = 4.5x
4.5x = 13.50

Solving
4.5x = 13.50

Solving for variable 'x'.

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

Divide each side by '4.5'.
x = 3

Simplifying
x = 3

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