91=72+x

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Solution for 91=72+x equation:


91=72+x

We simplify the equation to the form, which is simple to understand 
91=72+x

We move all terms containing x to the left and all other terms to the right. 
-1x=+72-91

We simplify left and right side of the equation. 
-1x=-19

We divide both sides of the equation by -01 to get x. 
x=19

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