WAEC - Mathematics (2001 - No. 24)
If 2x : (x +1) = 3:2, what is the value of x?
\(\frac{1}{2}\)
1
\(1\frac{1}{2}\)
3
説明
2x : (x + 1) = 3:2
\(\frac{2x}{x+1} = \frac{3}{2}\)
4x = 3x + 3
4x - 3x = 3
x = 3
2x : (x + 1) = 3:2
\(\frac{2x}{x+1} = \frac{3}{2}\)
4x = 3x + 3
4x - 3x = 3
x = 3