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-130/(-13) = 0
log(a+1)(16) = -4
log(a+1)(x^2+7) = -4
{root[45][4]}
8/x-2 = 0
| 4a+7a+19=3*12-4+(5*16)-5 | | 8x-13=x+5 | | 2x+5=7-10 | | 12a-6=5+2a | | (4x-1)(4x-1)=0 | | (8/x)-2 | | 6x^2+3=10 | | 6x-6w+3x+9y+3y+2w= | | 9m-12=77 | | 10(d+4)=90 | | 2a-12=19 | | 9x+37=100 | | 5x-16=20-x | | (50x^6/2y^6)/(625x^4/10y^4) | | C-3=11 | | 2u=28 | | a^4-2a^2+1= | | E=0.9Y | | 0.85x+0.05(20-x)=0.10(-22) | | 9=X*0.6/100 | | x^2+kx+k^2+1+2k=0 | | cos^2x-7/4*cosx-1/2=0 | | 2/3t-1/6t=t-5/2 | | 5x-4=76 | | 6+3x=78 | | 20x=4x+48 | | 5/3÷7/15 | | x^2=x^3+333 | | 21-6x= | | -20-4n=8 | | -3p+8=6-(12+2) | | 3(4c-5)+c=50 |