12X+X=91

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Solution for 12X+X=91 equation: 


Simplifying
12X + X = 91

Combine like terms: 12X + X = 13X
13X = 91

Solving
13X = 91

Solving for variable 'X'.

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

Divide each side by '13'.
X = 7

Simplifying
X = 7

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