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0;0;1;7;2;1
20.5;39
0;0;1;7;2;1
x/2
550;0.85
| n^2+21n-60=0 | | 4t=200 | | 2/3x-5=1/4 | | 1/3x=-91/6 | | -2/9n=6/7 | | 50=n*3*n | | 50=n*3n | | -0.4k=4.64 | | 2(4x-3)=14X-42 | | 50=n*3xn | | 17.5=2.5r | | 15x^2+2x-45=0 | | 0.5t=5 | | -5=x/-1 | | 2(3x-1)=8x-8 | | 5g=2 | | 10x-11x+1=0 | | 16k=400 | | 4(2c+8)=5(c+5) | | -5k=7 | | https://www.vle.mathswatch.com/images/questions/question8811.png | | 4(8-2x)=2(7-x) | | 11x-40=180 | | (25b-4)-6(4b+4)=-4 | | 18=-4u+2(u+7) | | 5-3(2)= | | 2(3X-1)=4(X-1) | | 56+9m=182 | | -5w+3(w-4)=-30 | | 2(5X-9)=4X | | 23n-42=119 | | 3(2X+1)=7X-2 |