Question

(12,1х -7) + 72,25 = 108,81

Answer 1

(12,1х -7) + 72,25 = 108,81

(12,1х-7)=108,81 - 72,25

(12,1х-7)=36,56

12,1х=36,56 + 7

12,1х=43,56

х=43,56 : 12,1

х=3,6