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4*x^4+x^2 = 0;x
x
x^2+x^2 = 0;x
x
8*x^3 = 1;x
x
(8/9)/(3/5)
3*x-(2*y)-45;2*x-(0.25*y)-43
| d(6d+1)=0 | | 12x+5=29x+139 | | 2v^2-7=193 | | 9/10=1/4y | | y/-15=13 | | (6zy)(-4z)= | | -5(4p+3)-25=3(2p+4) | | |-8/9|x=21 | | y/15=13 | | 2m=666 | | 4+3x=3x+10 | | 1/8x-3/4= | | 7*n+10=4*N-18 | | -16y=768 | | -6(3k-2)=-32-5k | | (8/9)/(3/5) | | y=-0.01%+0.10.0.75%+1.2.2%+0.5.5% | | 4.2(1.75a-3.2)=3.9(1.5+4.6) | | .5x=-1.2x+4 | | 5n-8(4n-6)=237 | | 9-7n+3n=10-73 | | c-144=16 | | 8/9g=3/5 | | 24.5=-8.5(6b-5.5) | | X+x+1=66 | | 3x-29=-16 | | 5m-30= | | 5timesz=35 | | 1.9x=40.47 | | (5x)/4-(4x-1)/31 | | 8+3m=25 | | 5n+45= |