-(x/1000)-(x/470)-(x/80)-(0.10x)=9
sin/cos
171048
119250
586929
556950
4414400
2868354
2287758
1173858
899727
solve these simultanius equasions
7x+11y = -5
4x+3y=7
((x)/(1+x^(2)))
system of linear equation x-y=-2 and 2x+5y=18
make n the subject of n-2k+4c^2=m
727998
sin3x=1/4
make h the subject of q=ch+s
