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(x+7)x(2x+8)=0
| 9+7x=4x-9 | | 2*(x+1)=4(0,5*x+6) | | 3,7x+0,8=6,1+0,7 | | -24=7(1+r) | | 2x+14=4×-6 | | 3u+13=73 | | 5x^2=216 | | 8y+9=6y+4 | | 14−3(5n−12)=1−(20n+1) | | H+2h-3h+2h=14 | | 3x+4-12=0 | | 2x+×=12 | | 13)3(4-b)+2=5 | | s+3=23 | | 17c-13c=8 | | 4x-20=4x+10 | | 18v-5v-11v=2 | | 3x*2x=216 | | 7x+155=136 | | 120-7x=85 | | 0.25x=3000 | | 987556656i+09876=098765i+098765 | | 64x2−144x+81=0 | | x(2/7)+8=20 | | 7n−4=317 | | 0,2x=340 | | 1/2(4x-16)(32)=x+16 | | 6=v/3-12 | | 0,2x=50 | | b/3=6/7 | | 2(13x-21)+85+31=360 | | 70=x-4x |