12x除以3=23*(62-x)除以2
4x=23(62-x)÷2
两边乘以2得:
8x=1426-23x
8x+23x=1426
31x=1426
x=1426÷31
x=46
有不明白的可以追问!谢谢!!
祝学习进步
12 x / 3 = 23(62 - x)/ 2
解:两边乘以 6 得:
24 x = 69(62 - x)
24 x = 4278 - 69 x
93 x = 4278
x = 4278 ÷ 93
x = 46