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(x+3)(x+40-20=0
| 4s+7=27 | | 0=20+16t^2 | | 8(m+2)=5(m+5 | | n=11.7/8 | | 2x-3(x-1)=4 | | 5x-1=-2(x-10) | | x+13x=-12 | | x+13x+12=0 | | 40y=25y+16=0 | | x(1+13)+12=0 | | -7y+3=-3(y+7) | | x^2−8x−2=0 | | 2x/3x-9/2=-3 | | Y=15x-130 | | 164+35+y=200 | | -21+7x=5x+11 | | -32+8x=34+2x | | 6x-69=81-4x | | -42+4x=48-2x | | 7x-86=-4x+35 | | -32+6x=x+63 | | A=b+43 | | -34-3x=-7x+42 | | -44+4x=-6x+66 | | 5x-91=-8x+52 | | 8x-7=12+7x | | x+0.25=505. | | 5*10^(3x)=120 | | x-14x+49=16 | | x-0.85x=102 | | 75-20p=15p+5 | | 7x-28=4x+23 |