Question

x-7分之2+【（x-7分之2）*3】+6=14 怎么解

Answer 1

2+(2/x-7*3)/x-7+6=14

解得

2+6/x-7+6(x-7)=14(x-7)

8(x-7)²-2(x-7)-6=0

【2(x-7)-2】*【4（x-7）+3】=0

X1=8 X2=4/25

175/32/x-3=-60

解得

60x=180-175/32

x=5585/32