(1) 3x-4=8x+1 (2) 2/3y-1/6=0 (3) 7x+1/4=9x-3/2 (4) -3/4x+1=-1.5-2x (5) 1/5x-1=2x+1/2
问题描述:
(1) 3x-4=8x+1 (2) 2/3y-1/6=0 (3) 7x+1/4=9x-3/2 (4) -3/4x+1=-1.5-2x (5) 1/5x-1=2x+1/2
(1) 3x-4=8x+1
(2) 2/3y-1/6=0
(3) 7x+1/4=9x-3/2
(4) -3/4x+1=-1.5-2x
(5) 1/5x-1=2x+1/2
答
(1) -5x=5
x=-1
(2) 2/3y=1/6
y=1/4
(3)-2x=-7/4
x=7/8
(4) 5/4x=-5/2
x=-2
(5)-9/5x=3/2
x=-5/6