单选题
If 5x-6=14, then 8x=
(Ａ)
(Ｂ) 4
(Ｃ)
(Ａ)
(Ｂ) 4
(Ｃ)
【正确答案】
E
【答案解析】To solve this problem, first solve for x, as follows:
5x-6=14
5x=20
x=4
Now substitute 4 for x: 8x=8(4)=32.
5x-6=14
5x=20
x=4
Now substitute 4 for x: 8x=8(4)=32.