x+4x+7x=91

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Solution for x+4x+7x=91 equation: 


Simplifying
x + 4x + 7x = 91

Combine like terms: x + 4x = 5x
5x + 7x = 91

Combine like terms: 5x + 7x = 12x
12x = 91

Solving
12x = 91

Solving for variable 'x'.

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

Divide each side by '12'.
x = 7.583333333

Simplifying
x = 7.583333333

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