(8x+5):(5x-5)=9:4
2个回答
(8x+5):(5x-5)=9:4
9(5x-5)=4(8x+5)
45x-45=32x+20
45x-32x=20+45
13x=65
x=5
相关问题
4(x-5.9)=8.4 4(x-5.9)=8.4
3:4.8=5:x x:8/15=12 4:x=5/6 x:27/5=10/9 x:3.5=4:5
27-5x=8、(5x-4)/8=4、8(x-4)=24、5x/4+6=36、9x-6*8.5=6x(解方程)
8.4x+3.6x+3.8=9.8 x÷5+0.5=5.5
1.(8%-X)/(9%-X)=(4.661-5)/(5.604-5)
解方程: 9x/0.7=9; 25-3x=19; 4(x-9)=4; x-18=4=8; 5.6x-4.5/3=5.5;
解方程:9x/0.7=9; 25-3x=19; 4(x-9)=4; x-18=4=8; 5.6x-4.5/3=5.5;
x:4.5=5.8:2.9,
5\9-x= x-5\8x=4 1\3x+5\9x=4\5 5+3\10x=12 x+3\7x=10\21 解方程
1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9