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(r+2)(r+13=0
| 6x-59=11x-139 | | 2y+12+120=180 | | 4x-7(.03)=79.59 | | 27x-13=34 | | -3u+17=6u-19-11u | | 8x-80=20x-176 | | 4x-7(.03)=79.95 | | 3x+4=18+x(2) | | 0.6=4.7k | | 1/3(9x+15)=1+3x+4 | | -14.9u=-13.3u+18.72 | | 35=t·7 | | j(-4)=6-2(-4) | | 15x+100=25x+160 | | -6+16y+2=20+14y | | t=25+13.5t-0.25t | | z-32=70 | | 12p-19=10p+19 | | 18x+75=30x+123 | | 3g=13+2g | | 3x÷2+x÷3-12÷3=1÷2+x÷3+x÷2 | | 5x–5=25} | | 6+8w=6w-10 | | 110+(5y+10)=180 | | 5x–5=25 | | a8=25900(8-1)1554 | | -8x^2+32x+3=0 | | 0.10(y-6)+0.14y=0.16y-0.7 | | 15x-36=36x+6 | | 16,2=13,3-x | | 2q-10+2q=10-q | | 14x+1+8x+3=180 |