3x+x+x=75

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Solution for 3x+x+x=75 equation: 


Simplifying
3x + x + x = 75

Combine like terms: 3x + x = 4x
4x + x = 75

Combine like terms: 4x + x = 5x
5x = 75

Solving
5x = 75

Solving for variable 'x'.

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

Divide each side by '5'.
x = 15

Simplifying
x = 15

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