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7;20;2;9;1;2
45;24
0;0;5;6;0;0
0.002;200
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| 5x^2+2x+7x=0 | | 3a+11= | | 2k+4=3k-2 | | 3x+22=9x+52 | | t+7=-7+t | | Z/3-3=1 | | x-9.8=5.88 | | 4x-3-7x=-30 | | -84=4-8x | | -6x+6=25-5x | | 4=8x^3+6x | | 12-a=3x+6 | | 19-1.25x=15 | | x^2=4*x | | 8x^3+6x-4=0 | | 2x-8+4x=6x-2-4 | | X^3+3=2x-22 | | 12x^3-4x^2=2x | | 0+x=-8+11 | | 8(c-3)=7(c-1) | | 5x(2-3)=2x(5+6) | | 8b=-3(2b+14) | | 3c=1/5 | | -7x-14=-4x+4 | | 6x^2+9-15=0 | | 12x^3-4x=2x | | 15+6x=4x+3 | | -9u-26=-4(u-6) | | 10x-3=10x+6 | | (21x-2)(38x+5)=180 | | 2-3x/10=4-x/5-x/2 | | 3/2x-5y=1 |