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| 4x-7(x-2)=10 | | 2L+2*(12-L)=156 | | x(x+1)(x-4)+4(x+1)=0 | | 2L+2*(12-L)= | | 4(7x+2)=-300 | | 3b^2-4b-126=0 | | 8x-3=5+4y | | 5.50+6.50(2x)=351.50 | | 7(3x+6)=-189 | | 5/2=9 | | 2n^3+4n^2-7and-n^3+8n-9= | | 3+2y=32 | | 6-(1x+10)=42 | | 10s= | | 6(8-t)+11=-11(t-4)-7 | | 15-x=6x | | 4x^2+7x-92=0 | | 4-4x^2-4y^2+8xy=0 | | 5s= | | 8x+3y=80 | | 2/7k-3/7=-19/8 | | -7y+13=223 | | 5+2y=48 | | 8x+5=8x-6 | | 8.9x+9-1.9x=2 | | 1/8x-2 | | p(3p+1)(3p-1)= | | 55+(2x-49)+90+x=180 | | 13c+40=ac-20+c | | 3x-(4x+9)=5x-45 | | 15x-13=9x-6 | | 8x-3=5+44 |