3x+4x+x=172

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Solution for 3x+4x+x=172 equation: 


Simplifying
3x + 4x + x = 172

Combine like terms: 3x + 4x = 7x
7x + x = 172

Combine like terms: 7x + x = 8x
8x = 172

Solving
8x = 172

Solving for variable 'x'.

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

Divide each side by '8'.
x = 21.5

Simplifying
x = 21.5

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