题目
解方程: (1) 2x-(x+10)=6x (2) . 答案:解:方程去括号得:2x-x-10=6x, 移项合并得:5x=-10, 解得:x=-2
解:等式的两边同时乘以12,得4(x+1)=12-3(2x+1) 去括号、移项,得4x+6x=12-4-3 合并同类项,得10x=5 化未知数的系数为1,得x= 12
________ her faults, she’s Arnold’s mother.
Don’t be so rude to her.
A.Whatever
B.What
C.Whichever
D.Whenever