-1/3 raised to 16
x=5
x2
2x+8y=23
8x-5y=10
solve simultaneous equation
2y + -9 = 4
y=3
126/y
1 whole 1 over 2 divide 2whole 2 over 3
x=8
45x
f(x)=x²+tanx/3x+2tanx
6/15 OF 75
$-20-4x=$