Question

(x+3.2)/250=(x-3.2)/90怎么解

Answer 1

(x+3.2)/250=(x-3.2)/90

(x+3.2)/(x-3.2)=25/9

2x/(x-3.2)=34/9

9x=17x-54.4

8x=54.4

x=6.8

经检验,x=6.8是原方程的根