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x in (-oo:+oo)
(360/2)*x = 0
180*x = 0 // : 180
x = 0
x = 0
| ((21x^2)-31x+10)= | | 21/2x=2/5 | | -(3x+1)+8(2x+7)=3 | | 2x(x)=6x-3 | | 1/40=x/5-9/8 | | -6=x/-4 | | -3(-x-1)-4x+4=-3x+5 | | X(x+3y)= | | 17=5x+2x+10 | | 12x-4y=18 | | y^3-9y-27=0 | | 75x-255=23x*31 | | (8-2x)=3(4.5+9) | | -6=-2p | | 2x(x)-9x=-8 | | -6(y-5)=2y+46 | | A^3=0 | | 0.4x=17.2 | | (8+10)+12= | | 5/12x=1/6 | | 68=-8(1+6x)-7(2x-2) | | 4y=4x-12 | | 1.9=x-6.2 | | 2x=157/15 | | 2(3x-14)=6x-14 | | Log(x)=4.75 | | 2x=157+15 | | 23-(4x+10)=54 | | 5+2y=-1 | | 3.87n=4+2.127n | | 3x=157-8 | | 3y-30=6y+180 |