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18;16;81;4;0;0
(10/11)*x = 20
7/3 = 3/n
ln(ln(3*x))
9/8 = x/2
| -6x-37=-9x-7 | | 72+6x-12+9x=180 | | 18n+2n=20 | | -16.8=4.7x+0.9x | | -6x-6=-7x | | 7x-14+7=-2x-4+2-7 | | 18r-10r=16 | | a^2+6a-22=0 | | a+3=d | | -2x-11=3x+9 | | (3x^2-2x-33)+(7x^2+9x)= | | 15-(8x-3)=4(x+5)-x | | 1000-21=x+9 | | 21456+32565=1000-3545 | | 1a=1000x | | F(x)=9x^4-37x^2+4 | | 4+2n=9 | | 1000a=100x | | -2n+1.8=3.4 | | y=x^3-8x | | 10/11x=20 | | 1a+3b+2c+d=1x+5d-3m-9a | | 1=3s-2 | | 4.24/10.8= | | 48d+3=56d+11 | | 3.53/8.8= | | k^2-8k-49=0 | | 7/3=3/n | | 2(x+4)-2=10 | | 9/8=x/2 | | 40=2X+5 | | 2/5c=18 |