(1+2/7)x=754这道题怎么做

(1+2/7)x=754这道题怎么做
(1+2/7)x=754这道题怎么做

(1+2/7)x=754这道题怎么做
(1+2/7)x=754
（7/7+2/7）x=754
9/7x=754
x=754乘7/9
=5278/9
=586.4444444

9/7x=754
x=754*7/9=5278/9=586.4444444

望采纳，谢谢