Question

39、7减9、6x等于6、1解方程

Answer 1

39.7-9.6X=6.1

39.7-9.6X+9.6X=6.1+9.6X

39.7=6.1+9.6X

39.7-6.1=9.6X-6.1

33.6=9.6X

9.6X/9.6=33.6/9.6

X=3.5