解方程x(48+56)+12=272怎么解
问题描述:
解方程x(48+56)+12=272怎么解
答
x(48+56)+12=272
x(48+56)=260
48x+56x=260
104x=260
x=2.5
答
x(48+56)+12=272
104x=272-12
104x=260
x=2.5
答
x(48+56)+12=272
104x+12=272
104x=260
x=65/26