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10*x-(10*y)-100+100;50-(5*x)-(13*z)+130;a+z;2*b-(2*a)+x-z;y-b
| -9j=j+4 | | 5x-5+6x-27=180 | | 2(11-4x)=32 | | T+30=5 | | 5x-5=6x-27 | | m-20=7.5 | | x^2+5x-154=0 | | n=8log(n) | | n=8lg(n) | | 15x-9x+33=5x-17 | | X^27x+6=0 | | 2x^2-16x+30=o | | 2/9a=16 | | 4a-3=9+6a | | x=8log | | g(-2)=-5x+2 | | 7x-2.3=7x-7.9 | | 9x-5+6x+20=180 | | 4u/3=36 | | 28-3X=3X-84 | | 7x=K | | d/2.6=3 | | 9x-5=6x+20 | | 5/6x=10x | | X-8÷24=3/4 | | 70(4-x)(220)=70(x)(210) | | 5x+16=6x-7 | | x+5.1=7.3 | | xdy-ydx=4y(x^2+y^2)dx | | 2x-5=ex+2 | | 3z+9=2z+1 | | 5x+16+6x-7=180 |