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3*x*(x-5)-(3*x*(x+7)) = 72;x
x
137/6
756;6
0*x^3-(12*x^2)-(42*x)-20 = 0;x
x
5-((1*(3/2))/3)
| 20y-20y=-1 | | -6+0.6=4.8 | | 3.99/8= | | -4u+-31=53 | | 5-3/2*1/3 | | Y=my+3 | | 228/n= | | 9r+8r+7r-3= | | 0.2(z+1)-0.6z=-0.1z+0.8-0.3z-0.6 | | 68=50+x | | -4+2=-8+8x | | 8v-8-4=8v-3 | | 0.07x+0.09(6000-x)=516 | | 12[x+3]=-3[x-27] | | 14x-(8x-3)=33 | | 8v-8-4=8v-2 | | 1=n/2-n | | 7/8×24= | | 35(3/5x) | | 14=3h-13 | | 6x+3=-6x+39 | | 7=m/4-3 | | -12[x+7]=3[x-53] | | (4x-1)(2x-1)=(4x+1)(2x+1) | | 1=n/2-2 | | 21x+x^2=100 | | X+95+4x=180 | | 5m+4-8m=6(m+1)-9m | | 40=140-x | | X^2-5=-10 | | 40=140-x/2 | | 3(w-4)-6w= |