(1)9x+1.8=5.4 (2)18-5x=5 (3)4x-1.6x=48
1个回答
(1)9x+1.8=5.4
9x=5.4-1.8
9x=3.6
x=0.4
(2)18-5x=5
5x=18-5
5x=13
x=
(3)4x-1.6x=48
2.4x=4.8
x=20
相关问题
1.48x(3/4-1/6)2.3/4x4/9+5/9x3/43.1/5x1/8+7/8x1/54.12x(1/2+1/
解方程.(1)12X-9X=8.7(2)6X+18=48(3)3(X+2.1)=10.5(4)X+4.8=7.2.
解方程.8+5.2x=18.4 6x+1.6x=22.8 9÷x=1.5 7x-4.2=6.3.
1/4x-1/2=3/4;7x-5/4=3/8;2x-1/6=5x+1/8;1/2x-7=9x-2/6;1/5x-1/2
1/1x2x3x4+1/2x3x4x5+1/3x4x5x6+1/4x5x6x7+1/5x6x7x8+1/6x7x8x9+
(1)5+2x=1 (2)8-x=3x+2 (3)10x-3=9 (4)6x-7=4x-5 (5)1/2x-6=3/4x
1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9
解方程1.5x+9.6=36.6 x-2/5x=4/725x÷2=475 3/4x-1/2x=1142.4x-48=5.
8△2=8+9=17 5△3=5+6+7=18 4△6=4+5+6+7+8+9=39 11△4=?1△X=5050 X=