Translate the sentence in too a equation

Question

Translate the sentence in too a equation

Nine tines the sum of a number and 3 is 8 use the variable c for the unknown number

Answer 1

9(c+3)=8

solve

9c + 27 = 8

9c = -19

c = -2.111

check

9 (-2.111+3) = 8

9 * 0.888889 = 8

8 = 8