3x+3x+x=2100

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Solution for 3x+3x+x=2100 equation: 


Simplifying
3x + 3x + x = 2100

Combine like terms: 3x + 3x = 6x
6x + x = 2100

Combine like terms: 6x + x = 7x
7x = 2100

Solving
7x = 2100

Solving for variable 'x'.

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

Divide each side by '7'.
x = 300

Simplifying
x = 300

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