13-0.2(x+2)=13-2.4 怎么解,
问题描述:
13-0.2(x+2)=13-2.4 怎么解,
答
13-0.2(x+2)=13-2.4
13-0.2x-0.2*2=10.6
移项
0.2x=13-0.4-10.6
0.2x=2
x=2÷0.2
x=10