(2013•天桥区二模)方程3x−1=2x+1
(2013•天桥区二模)方程3x−1=2x+1
(2013•天桥区二模)(1)计算:(1-3)( 2+3)-12
(2010•天桥区二模)(1)计算:13+1+(3-π)0-sin60°
(1)解分式方程:x−3x−2+1=32−x;
解分式方程:(1)1x−3+2=x−43−x
解分式方程:(1)2x+1+3x−1=6x
用换元法解方程2(x−1)x+3+6(x+3)x−1=7
解方程:2x−1−3x+1=x+3x
解方程:x(2X-3)+2x(x-1)=4x(x-2)+9
解方程:(1)2x=3x+1
方程x+1x+2+x+8x+9=x+2x+3+x+7x+8
解方程(1)12x=2x+3