9/12x-9/12+8/12x-8/12=0
9/12(x-1)+8/12(x-1)=0
(9/12+8/12)(x-1)=0
17/12(x-1)=0
x-1=0
x=1
猜你喜欢
- 1-4^2-|1-根号3|+根号12+2sin60+4tan60×cos30
- 25尺3寸等于多少厘米
- 3汽车上山每小时行20千米,3小时登顶,下山按原路返回,用了2小时,求汽车往返的平均速度.
- 4设函数f(x)=loga(x+b)(a>0,a≠1)的图象过点(0,0),其反函数过点(1,2),则a+b等于( ) A.3 B.4 C.5 D.6
- 5l'm sorry .l forgot to bring the dictionary for you.lt doesn't matter.___(borrow)another one.
- 6用愤愤不平造句
- 7一个虚像能在另一平面镜中再次成一个虚像吗?
- 8Does your father enjoy ___(jog)?Yes,he always ___(jog) after he finishes ___(work).
- 9在同一圆中,周长和半径的比是_,比值是_.
- 10第81届奥斯卡金像奖 最佳动画长片 英语怎么说