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100*(12.8/28.7) = 0
9000;640
(3*y)/x = 2/3
(x-2)/3-((12-x)/2) = (5*x-36)/4-1
f/5-21 = -29
| 6r^2+49r+8=0 | | 13x=6x-28 | | 10x+10x=15 | | 5x+40=160 | | 3x^3-7x^2= | | 31770=33.755t^2-1078.02t+40376.569 | | 200-(50+0.2x)= | | 2x-3yi=8+6i | | 30b=33 | | 12.8/28.7(100) | | 17-5(2x-9)=-(6x-10)+14 | | 4x+9Y+36=0 | | 5k^2=60k-20k | | -[6x-(13x+6)]=6+(6x+5) | | -5x^5=1600 | | 7v^2+10v-8= | | 1437.9944=4*3.14r^2 | | 12.8/28.7•100 | | 4a+2a=30 | | 7r^2-4r-3=0 | | 4v^2+8v=0 | | 5538.96=4*3.14r^2 | | 3x-2=7-3x | | 7y=7000000 | | X+(-7)=-20 | | 10x^2-44x=30 | | 3.6y=5.4+3.3-y | | 6x-3(3-2x)=3(x-3)-45 | | 7y=7000000x | | 10635.9336=4*3.14r^2 | | 3y/x=2/3 | | 3(1.75)x=21 |