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Nine times the sum of a number and 8 is equal to 7.

1 Answer

3 votes

Answer:

Verbal expression =9(x+8) =7

Explanation:

Let the unknown number be x


9(x+8) =7\\

Further solution ;


9\left(x+8\right)=7\\\\\mathrm{Divide\:both\:sides\:by\:}9\\(9\left(x+8\right))/(9)=(7)/(9)\\\\Simplify\\x+8=(7)/(9)\\\\\mathrm{Subtract\:}8\mathrm{\:from\:both\:sides}\\x+8-8=(7)/(9)-8\\\\Simplify\\x=-(65)/(9)

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