13x-(4.5x+2.9)=0.5x+3.8×0.5

问题描述:

13x-(4.5x+2.9)=0.5x+3.8×0.5

13x-(4.5x+2.9)=0.5x+3.8×0.5
13x-4.5x-2.9=0.5x+1.9
13x-4.5x-0.5x=1.9+2.9
8x=4.8
x=4.8÷8
x=0.6