x-1.8=4这个方程怎么解?急
问题描述：
x-1.8=4这个方程怎么解?急
答
x-1.8=4
X-1.8+1.8=4+1.8
X=4.8
答
x=4+1.8=5.8
答
x - 1.8 = 4
x = 1.8 + 4
x = 5.8
答
X=4+1.8
X=5.8