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87;15
125;25
(2*x+1)*(2-(3*x)) = 0
25;35
12712;8
| x(2x-4)= | | (x+5)(4x-1)+2(2-8x)(x-5)=0 | | 3x+7x+21=-29 | | (x-5)(4x-1)+2(2-8x)(x-5)=0 | | 4x-8+x=2x-3 | | x(2y-1)= | | 5x+7=3x+5+2x | | 14.7-40*.11= | | 9x-24+24=0 | | 9x-1/2=9 | | 5x+7=3x+5+x | | 3(C+8)=12 | | 5x2y2/xy | | 9x^4-13x+4=0 | | x-9/7=1 | | -16=4+4x | | 8(2-3x)+11=7(3x-2)+10 | | (5+8x)-2x-4= | | 2(-x+8)=-18 | | y-x-2=0 | | 7(3s+9)=279 | | f(4)=2(4)-3 | | y^2=22.5(22.5-y) | | 4(-x+6)=21 | | 6(2l+5)=42 | | (u+1)*8=16 | | -2xsquared-5x=1 | | 2x+11y-4xi=14+16i | | 7(2x+3)=21 | | (2x+7)(5x-4)=0 | | (x+0.9)(x+2.6)=0 | | (2n-1)/3-1/2=17/2 |