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19*x = 315/2
(5/6)*x-(1/4) = 1/3
4*x = 33/10
(-1/20)*t = 15
ln(x^14)
| n+33=16 | | 10x-6y=2 | | 3*7*8= | | 2x-11=x-6 | | 0.50x+0.15(50)=35.5 | | 5a+5=55 | | 1/2÷2/3 | | 19x=315/2 | | 12x^2/2x= | | A(7)=18(1/3)^7 | | 5/6x-1/4=1/3 | | 39x^2+20x-75=0 | | 4x=33/10 | | 0.4x-1.2=3.1x+1.3 | | -2(w+9)-(5w-9)=-8w | | 6x^2+50x+145=4x^2+26x+81 | | 78*75= | | 2x+21+x=180 | | -1/20t=15 | | 39x^2+8x-12=0 | | 0.6x+9.8=5.9 | | 0=-6n^2+192+24n | | A^2-B^2=15 | | 9-2x-8x+5= | | -m+2=m | | b^2-9bf+18f^2=0 | | 0.50x+0.05(16-x)=0.10(26) | | y=3*2-4 | | (3x+1)(x-6)=22 | | 2w+(w+90)=300 | | 9x^2-45x+35=6x^2-30x+23 | | w^2-13wd+40d^2=0 |