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0.4/1.6 = 2/n
42/14 = 21/n
159*x+129*y = 9
24-((4*x)/2)-y = 0
9.8*x^3-(68.8*x)+0*x^2+0 = 0
| (5x+7y)2+9x-2y=4x(-8y+3)3 | | 5x+150=525 | | 7(3x)-21=7 | | 6x+5=14+x | | y-0.0912=0.03x-0.099 | | 5x+3-5x= | | 0.7x-4.1=0.8 | | 5x+2=-4+3x+14 | | 4x+3=2-(x-4) | | 0.4/1.6=2/n | | 42/14=21/n | | 12x+23=5x+191 | | log[5](x+7)=log[5](x+3)+1 | | 5h+3=2h+12 | | 13x+8y=4650 | | 5y^4+10y^2-15=0 | | lon(x-2)=0.5 | | -9(4-x)=100 | | 8x=-10x+38 | | 2x+2+3x-4=19 | | 24-4x/2-y | | 12t^2+40t-100=0 | | 6+3(4x-4)=7-5(2x+1) | | 4(x+6)=9x+7-5x+17 | | 16x^2+47-6=0 | | x^2-6=3x-2 | | 8x-8=10x+4 | | (12sin^2)/9 | | x^2-6=3z-2 | | 2sin(x)+3cos(x)=2 | | 4(3x+5)-6(3x-5)=10x+3(2x-8) | | x^2-34x+297=0 |