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(3x+7)(x-9=0
| -607=-9(-9v-4)+5 | | 1/2x+2(3/4x-1)=1/4x | | 7/6-2(3+x)=5/12x+3 | | 11f=-4 | | 3x-1-2x=21 | | 9(x-4)=81= | | x=13*4 | | 10+4=2x-12 | | 2^2x-9*2^x+8=0 | | 6(2x-8)+3=15= | | 1/(x-7)=-8 | | 2^2x+2^x+8=0 | | 3.6=10*0.6^t | | -8(x-4=81= | | x^2+74x+420=0 | | 4x+3-x+8=+11 | | 6m+8-4m=22+3m | | 135=-5(1-4n) | | 80=x2+7 | | -9(-8b-3)=-405 | | |x-2|=-14 | | x2+10x+100=28–7x | | -8(c-4)=81= | | 15x+10+100=180 | | -11/2u+2=4 | | 12(x+5)=4(3x+2)+52 | | 2x+4=15-3 | | 7/2=3x/4+40 | | 15+6m=1-m | | 7(b-8)=-98 | | -2f=6f+24 | | 12(x+5)=4(3x+22)+52 |