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x in (-oo:+oo)
x/0.5 = 0
2*x = 0 // : 2
x = 0
x = 0
| -5x(y+5x-3)= | | 4x-2=8y | | 0=8x^2-4x-192 | | 0.05x+0.10(x+2)=1.40 | | x/0.5=0.75 | | x^2+6x-17=10 | | 6(x-3)+5=3x+3(-5+x) | | 0.19x+0.8(x-2)=0.01(4x-2) | | 3x-4(100-50x)=-1x+80 | | 2r-27=-15+4r | | (5*5)+(x*x)=(8*8) | | 2x-24=-10+4x | | .5x-.1x(18-5x)=-.3(x-7) | | 81/x=18 | | 7y^2+98y+315= | | 24x=-144 | | 20m^2= | | 35=9 | | 6-2(2)=6 | | 5(3x-7)+x(3x-7)= | | 6-2(1)=6 | | 6-2(0)=6 | | 0.67a+3=0.2a-10 | | 6-2(-1)=6 | | 1/4m^-5 | | 240+60r= | | 6-2(-2)=6 | | X/20=80/100 | | 0.05x+0.03(x-2100)=145 | | 4x+2+6x+18=70 | | -3(2n+3)=12 | | 6x+7y=93 |