解方程.60-X=34.5+4X 5.6X+4X=17.28 12(X-2)=3.6
问题描述:
解方程.60-X=34.5+4X 5.6X+4X=17.28 12(X-2)=3.6
解方程.60-X=34.5+4X 5.6X+4X=17.28 12(X-2)=3.6
答
60-X=34.5+4X
5x=25.5
x=5.1
5.6X+4X=17.28
9.6x=17.28
x=1.8
12(X-2)=3.6
x-2=0.3
x=2.3