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21;6
45;18
14;3
45;6
(1/(-0.2))*ln(x/300)
| W^2+4w-225=0 | | x/1.4=1 | | 2w+5-3(-6w-1)=5(w-2) | | 0=-1+-m | | C/0.5=0.4 | | W^2+4w-225= | | 111.7+25=10 | | 5(5-7)-4(5-1)=8(5+3)-60 | | -4(y+1)=8y-2+2(2y+8) | | 8x+20y=15 | | 2(u+4)=-2(8u-1)+4u | | -3(4t-5)+2t=3t-9 | | -2(-2v+9)-5v=7(v-3)-7 | | -8y-9=3y+24 | | 5(x-2)=5x+3-3(-6x-1) | | 6x-14=2x^2-4 | | 8x-(7x+9)=2x-44 | | -2(w+6)=4w-9+2(3w+6) | | 4x-y-3z=0 | | 5x-(4x+9)=2x-23 | | 5a+7b=13a+13b | | h*4+h=15 | | x=4logt | | 3x^2-2mx-3=0 | | 2xty-2z=-1 | | S+13=-15 | | 1.5-p=7 | | 6/26= | | 2.75-7.75(5-2.4)=26 | | 2sin(x)-3^1/2 | | 16.5=025b | | C=.14w(h-y) |