Question

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

Answer 1

Answer:

Verbal expression =9(x+8) =7

Step-by-step explanation:

Let the unknown number be x

$9(x+8) =7$

Further solution ;

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