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100;20
85;90
16*a+4*b+c+52;9*a+3*b+c+27;4*a+2*b+c+8;a+b+c+1
1/3 = 866
8*x^2-1*x^3-(21*x)+18 = 0;x
x
| -8x+5y=-47 | | 9x+17=3x+11 | | 6x-24=-24 | | 65+x+2=180 | | 6(2x-8)-3=6(x-3)+3 | | 2n=21 | | 48=48+32t-16t^2 | | 9(2x+5)=4x-9-x | | 6-(-15t)= | | 5-6n=10+3n | | H(x)=(1/3)x | | 34=-7x+2(x+7) | | 12x+22=7x+32 | | H(x)=1/3x | | 43+x+7=90 | | 43+x+4=990 | | x=17.5-0.25(-210) | | 7y-2=5g+10 | | 3x^2y+xy^2=10xy | | 2/5f-4/3=8/5 | | 65+3=180 | | y=150.00x+30.00 | | 108=9+9k | | -3(5s+2)= | | 3+6v=189 | | 8x-4=6x+11 | | (-3)-2y=10 | | -3a-2=2a+s | | 9x^2+30x=16 | | 5x+6y=637 | | x/1.9-2.8=1.6 | | X=27+-9y |