(2/9x+15):【x-(2/9x+15)】=1:1

问题描述:

(2/9x+15):【x-(2/9x+15)】=1:1

(2/9x+15):【x-(2/9x+15)】=1:1
2/9x+15=x-(2/9x+15)
2/9x+15=x-2/9x-15
2/9x-x+2/9x=-15-15
-5/9x=-30
x=30/(5/9)
x=45