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4*ln((x/4)^2-1)
50/30 = x/80
a/9 = 15/12
2839;2
a/15 = 9/12
| 0=(3x-2)(x-5) | | 50/30=x/80 | | 0.6x+-0.3=0.4x+6 | | 0.5x+-0.3=0.4x+6 | | 48x^2-6x-15=0 | | a/9=15/12 | | a^2+14a-1-(a^2+8a-25)= | | a/15=9/12 | | 5x-p=17 | | Y=Cos(c) | | x/21=8/4 | | -4-2(1+6n)=21-3n | | x/8=21/4 | | 6+9+x=17-2-8 | | x/4=13/52 | | 19=2h+15 | | 4x-2+4x+11=8x-9 | | 77=9C | | 5x/x=15/6 | | (5x-3)=(4x-15) | | 4x-11+7x-11+6x+1= | | 5(2m-3)=34+21 | | 8=s-9 | | -8=k/2 | | (6x-18)/(x^2-x-6)=x | | (x-3)^2/3=x-7 | | -5=b-7 | | (6x-18)/(x^2-x-6) | | 2(2x)^1/3=4 | | -13=-7+s | | 10x+15=155 | | Log(3x)=-2 |