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4;7;3;7;19;1
4;7;3;7;20;1
5/x
2;7;3;5;2;1
ln(x)
| -8(7n+7)+1=2n+3 | | 2[8x+5]=-2 | | -v+t=1+8v | | 2x-2/3x=0 | | -x+5(0)=9 | | 12(3x-5)=3 | | 135+x+35=180 | | (4x-9+2x)+3(-2x+7)= | | 6x-0=6 | | 5v-7=-17 | | -2+4b=-14 | | 135+x=35 | | 4ix+8=12i | | 240=70-v | | -2y-34=-7(y+2) | | 77=4v+13 | | -90-5y=25 | | f^2-4f-5=0 | | 2(2x+5)=7x+40 | | Y6/5x-2 | | 4(w+8)=-9w-20 | | 1x-y=4 | | 31+3x=-5(x-1) | | -4y+26=7(y-1) | | 19x=156+7x | | (2x+25)2=(7x-61)2 | | cos(x)=.75 | | 5x+(y+x)+(2y-x)=180 | | 36=5x-6+4x | | 4y+26=7(y-1) | | -3(u-4)=6u-42 | | 7z+24=3z+92 |