Question

64-(3n+8n+n):40=37 Решить уравнение с проверкой

Answer 1

64-(3n+8n+n):40=37

(3n+8n+n):40=64-37

12n:40=27

12n=27*40

n=1080:12

n=90

проверка

64-(3*90+8*90+90):40=37

64-(270+720+90):40=37

64-1080:40=37

64-27=37

37=37

 

 

Answer 2

64-(3n+8n+n):40=37

(3n+8n+n):40=64-37

12n:40=27

12n=27*40

n=1080:12

n=90

проверка

64-(3*90+8*90+90):40= 64-(270+720+90):40=64-1080:40=64-27=37

37=37