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8/9 = 40/x
m = 4/n
x/5-14 = 21
(1/4)*(4*x-x^3) = 0
(-1/6)*t = 6
| 12x+18-2x=28 | | (9x+6)-(5x-6)= | | -6y^2+24=0 | | 0.2x-1.4=2.5x+1.2 | | 4x-25x+36=36 | | 2k+2k=-8 | | x+7=1+x | | 4x(5-x)=5 | | -28(-2)-36y=-52 | | 10cos(x+5)=5 | | 4.3x+5.15= | | 26+(2x-5)=8x | | -260-13x=0 | | 2+8(1-6m)=106 | | 128=-16n | | 3h=7(2/7-3/7h)−10 | | 8/9=40/x | | -3x+2=-50 | | m=4/n | | 8x-3x-6=19 | | 7x+2+5x+8=70 | | 2x-4(x-4)=-6+5x-13 | | 2x^2-31x+72=0 | | 27x^4-36x^3+8x+1=0 | | x/5-14=21 | | ht=-16t^2+75t+6 | | 85/5-12*3+4*3= | | 240-26x=x-96 | | 1/4*(4x-x^3)=0 | | (4+3i)(2-2i)= | | (-1/6)t=6 | | x-x^3/4=0 |