Question

y-y-1/2=2-y+2/3

解方程 谢谢

Answer 1

去分母，6y-3(y-1)=12-2(y+2) 去括号，6y-3y+3=12-2y-4 移项，6y-3y+2y=12-3-4 合并同类项，5y=5 系数化为1，y=1

Answer 2

(2y-y+1)/2+(2+y)/3=2
(5y+5)/6=2
5y+5=12
y=17/5

Answer 3

0.3Y