16/x :18/(x+2)=4 :3
网友回答
16/x :18/(x+2)=4 :3
16/x ×3= 18/(x+2)×4
48/x=72/(x+2)
72x=48×(x+2)
72x-48x=96
24x=96
x=4======以下答案可供参考======
供参考答案1:
16/x : 18/(x+2)=4 :3
16/x * 3=18/(x+2)*4
48/X=72/(X+2)
两边同乘以X(x+2),得
48*(x+2)=72X
48x+98=72X
24X=98
X=13/4
供参考答案2:
x=4供参考答案3:
16/x * x+2/18=4/3
(16x+32)/18x=4/3
16x+32=18x *4/3
16x+32=24x
8x=32x=4