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x in (-oo:+oo)
P = B/k // - B/k
P-(B/k) = 0
P-(B*k^-1) = 0
x naleu017Cy do R
x in (-oo:+oo)
| 1+3a-4a+10= | | 7z-3=11+3z | | 1X+26X=441 | | (-25/31)=x+(5/31) | | 5n-5n= | | -8b+-2b=-10b | | 5.5x-5=4.5x | | 2(4x-2)=4 | | 2x+7+2/3=6x-23 | | -8b-2b= | | v-10+5= | | 6s+-10=2+3s+s | | 3(a+1)+7a-8= | | 2x-3=7(4x-6) | | M^2-21=0 | | 4=m-6 | | 7-3(2x+1)=-8 | | 4=-6 | | 3.00(20.00+b)=90.00 | | x(2x-10)=400 | | 10x=-16+36 | | (5x-3)(x+1)=2x | | -6(x-3)=9 | | 3t-6t-8-7t=-2 | | 0.50x+0.25(50)=42.5 | | 3[5x-(3-x)]=3(3x-4) | | 4x^2+9y^2=36 | | 0.50+0.25(50)=42.5 | | 3y+6x-12=0 | | 4a/5+7=11 | | 2x+5=-26 | | 5u-10=3u |