x+2.3-0.2x=10.5
问题描述:
x+2.3-0.2x=10.5
答
(2.3-0.2)X=10.5
2.1X=10.5
X=10.5除以2.1
X=5
x+2.3-0.2x=10.5
(2.3-0.2)X=10.5
2.1X=10.5
X=10.5除以2.1
X=5