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(1/5)*S = 79
5*x^2-(1/(x^2)) = 0
(1*15)/6 = 0
15*sin(x/16)
y = (4/7)*x-1
| 4x+3-2x+5=20 | | 4u-5=-17 | | 4(u+7)=-3u-21 | | 2(-7+6x)=70 | | g(x)=k*f(x) | | 5(2+x)-3(x+2)=-5(x-6)+2 | | (6x+1)=65 | | 4x(1)+18=5 | | 3(m+6)= | | x+16=-x-8 | | 8b-16=4b | | 11x=12y | | v=mxt-4 | | 2y-14=y-10 | | 8x^2-11x-21=0 | | .25y-15=-.75y | | 1/5S=79 | | 5x^2-1/x^2 | | 2n^2+12n+9=0 | | h+10-2=15-h | | 1.2+y+4.24=7 | | 5n^2+12n+6=0 | | 2(2x+6)=3x+10-x-8 | | (4x+2)=78 | | h+10-2=15-n | | 10k^2-3k-6=0 | | -4y-6(3z-5y)-2z= | | x+5-7x-2= | | 16n+20-10n=-5+6(2n+3) | | 10xr-2=12r | | 2(-8+2x)= | | 5(7x-2)=-10 |