(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0.2=2 括号内是分子,/后面
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 06:34:01
![(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0.2=2 括号内是分子,/后面](/uploads/image/z/1988363-11-3.jpg?t=%EF%BC%881%EF%BC%893X-5%3DX%2B2+%EF%BC%882%EF%BC%893-2%EF%BC%88X%2B1%EF%BC%89%3D2%EF%BC%88X-3%EF%BC%89+%EF%BC%883%EF%BC%89%282X%2B1%29%2F3-%285X-1%29%2F6%3D1+%284%29+%280.02X%2B0.05%29%2F0.03-%280.04X-0.3%29%2F0%EF%BC%881%EF%BC%893X-5%3DX%2B2+%EF%BC%882%EF%BC%893-2%EF%BC%88X%2B1%EF%BC%89%3D2%EF%BC%88X-3%EF%BC%89+%EF%BC%883%EF%BC%89%282X%2B1%29%2F3-%285X-1%29%2F6%3D1+%284%29+%280.02X%2B0.05%29%2F0.03-%280.04X-0.3%29%2F0.2%3D2+%E6%8B%AC%E5%8F%B7%E5%86%85%E6%98%AF%E5%88%86%E5%AD%90%2C%2F%E5%90%8E%E9%9D%A2)
(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0.2=2 括号内是分子,/后面
(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0
(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0.2=2 括号内是分子,/后面是分母
(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0(1)3X-5=X+2 (2)3-2(X+1)=2(X-3) (3)(2X+1)/3-(5X-1)/6=1 (4) (0.02X+0.05)/0.03-(0.04X-0.3)/0.2=2 括号内是分子,/后面
1)3X-5=X+2
3x-x=7
2x=7
x=3.5
(2)3-2(X+1)=2(X-3)
3-2x-2=2x-6
4x=1+6
4x=7
x=7/4
(3)(2X+1)/3-(5X-1)/6=1
4x+2-5x+1=6
-x=3
x=-3
(4) (0.02X+0.05)/0.03-(0.04X-0.3)/0.2=2
(2x+5)/3-(2x-15)/10=2
20x+50-6x+45=60
14x=-35
x=-2.5