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13;12;12;7;0;0
13;49;12;28;0;0
(5/4)*x-5 = (1/4)*r
x-1
13;49;12;28;0;0
| ln(x)-x-1=0 | | 1-(2x)=0 | | 60k+80=50+120 | | 8(8-k)=-27k | | 5/4x-5=1/4r | | 12x-7y=3 | | -3.45+x=1.3 | | 12+12+6578493+56748392+56478392= | | 3(t-1)-t=2(t+5) | | 8(8-k)=27k | | 42975-125m+150m=45450-200m | | 8(2w-1)4w=-116 | | 16q-129=863 | | 3(x-5)+6=42 | | 393-4n=-475 | | -1.3+(-9.8)= | | 19m+2=-3 | | 1.3+(-9.8)= | | c+400=921 | | u^2-14u+44=0 | | 2(x-8)+x=3(x-6)2 | | 0.6/1 | | 4(9x-1)=9x(4-x) | | f-205=890 | | 4x+20=160 | | 4n=3n^2 | | 2(x-1)+3x=5x-2 | | 4/5v-3/5=7/5v-5 | | p-89=652 | | 17n=680 | | =9(4t+7) | | 797=w+11 |