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4;21;1;18;0;0
2;12;5;6;2;1
14.25;2.5
1;21;2;18;0;0
5;6;1;9;2;1
| 11u-9u=12 | | nx4/5=3/4 | | 5k^2+11k-162=0 | | p+8p=18 | | 2x+22=4(x+5) | | 14j-7j=7 | | 2x+33=7x-7 | | 4-q=1 | | 25x^2-68=32 | | D/5=20 | | 5sinx+7cosx=9 | | 6x^3=13x^2 | | 22=2(x+6)-7x | | -9c-6c+-10=20 | | 2s^2t^4(-6s^3t^5-6st^4-4t)= | | 3(x)=2-x | | 3z-13=5 | | 8-7x-3=-32+5x-11 | | 1010/10000 | | 14+7w=70 | | -25(q-986)=-175 | | 1/5-40 | | 6-9x-2=-71+6x-15 | | (v-821)/6=23 | | 20/18=75/w | | S-15=15.35 | | ln(2x-3)-3ln(2)=0 | | 6-6x-3=-3+4x-14 | | 19a-17a+2=10 | | 1/x=5/18 | | 6-7x-4=-47+5x-11 | | (k+8)(2k-3)=0 |