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4;11;3;7
23;27;16;21
1;5;5;9
2*x+3*y-3;3*x+8*y-1
X/430 = 817
| 2(7)-4y=42 | | 4+2u=2 | | (4y+7w-5)(6y+w)=equation | | 8=7+5w | | 5x+6y+60=0 | | 3x+2y=118 | | 2y^2+2y+5=0 | | (k^4-81)=0 | | 5-5n+3n=14-53 | | 44.4*26= | | -17x=-205 | | -60y-8=4y-5 | | 5x+110+9x=180 | | 4(2)-2y=26 | | x+x+1+x+2+x+3=82 | | 13+t=t-7 | | 3sin^2x-5=sinx-5 | | x+x+1+x+2+x+3+x+4=210 | | x+x+1+x+2+x+3=90 | | 1n(2x-3)=1.8 | | 5y/6=60 | | 2y+3z-y+5z= | | x+x+1=3 | | 2/3x-1/15y | | 6secx-5=7 | | 7x+8z=3+3y | | 7-(4+x)=5-3x | | x+(2x-2)+(7x-3)= | | 2x^2-1= | | X/430=817 | | ln(2x-3)=1.8 | | 3H^3-20=172 |