4^{x}-4^{x-1}=24
3.2:56
t=v+5 make v the subject
y²+x²=9
|3-m| - |m-4| - m when m < 3
1 - \frac{v(u-w)}{w(u-v)}
(18 + 17) (12 + 9) - (7 x 16) (4 + 2)
y+x²=6
8th term in the Geometric sequence 100, 1,000, 10,000, 100,000.......
2x = $6x^{2}$-7