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370/420
42;25
53*x+15*x = 30;x
x
409;309
(5.5^3)/2
| 1c+7=10 | | X+49+3x+10=6x | | 2-16=4x-27 | | 2x-26=4x-27 | | 2/5n-1/2n=7/10 | | (3x+50)(6x-10)= | | -8x+5(3x-6)=-21-2x | | y^2+9=x+12 | | H=b*a | | (9c/5)32 | | -16t+67t+3=0 | | y^2+4=x+6 | | 6x-24y=192 | | 2(x+1)+5(x-3)=11(x-2) | | 4(w-4)-3(2w-3)=7-2w | | (3w-1)(w)=30 | | F(n)=-n(12n+11)+15 | | 5y+2x=-4 | | 0=x*X-180*x+7200 | | 25=x+2x+(2x-5) | | -10y=-4X-8 | | 4X-17=2x-41 | | x-26+2x-178+.5x+13=180 | | 7x=39x | | 4n-3=7n+9 | | -24x^2+3=0 | | 30-x=-3(x-8)+2 | | y+10x=-19 | | x+177=x+77 | | 3y=20x-15 | | v=321 | | -5x+y=84 |