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5.1489*x+1*y;8.0775*x+1*y
5.1489*x+1*y-0.0258;8.0775*x+1*y-0.3546
1*x^3-(3*x)+0*x^2+2 = 0
x^4-(8*x^2)+12 = 0
2*x-0.6 = -8*x
| 63=(x+5)(x+3) | | 4x(8/2)3-5 | | 7x^2+9y^2=16z^2 | | 2x+-3=5x | | 8x-7=-3(2x+19) | | 2x-5(x-5)=-4+2x-11 | | x(x+10)=(x-10)(x+25) | | 0.8x+x= | | 7p-8q=15 | | 10x-5=5x+8 | | -7x-6=x+1-3x | | X+7x+2x=13-4x | | 8x+9=2+6x+40 | | 2*3.14*(x+3)=50-24 | | 6.28*(x+8)=56.52 | | T*10=50 | | 7t-12t+4t=x | | 7t-12t=4t | | x^4-5/4x^2-1/4= | | 3z/8-1=-6 | | (5n^5-6n^2+16)-(3n^5+3n^2+4)+(n^6+7)= | | 4y-20=-x | | 11x-20=10x+6 | | x=2/8 | | s*5+20=140 | | 2y+6=10x | | x^2-y^2=52 | | 75*500= | | 7x-2y=50 | | 2y-15=1 | | -1/2(6x-4) | | x^6-6x+8=0 |