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-x/21 = -3
1;3;2;5;3;0
g/3-7 = 42
27/63 = 24/x
20/25 = y/45
| -x/21=-3 | | 4m-1=2m-5 | | (3y)+(y+88)=180 | | .03x+1.2=0.6x-0.6 | | f(x)=4x^2+10 | | g/3-7=42 | | 3/10*+21=0 | | 104.4=9(m+3.8) | | 27/63=24/x | | 493.56=180+1.17x | | 20/25=y/45 | | 40/49=x/98 | | -u/10=2 | | 3(8x-1)=36 | | 33x^5÷11x^2/13 | | 2x^2+7x+12.25=-3 | | s/7=2 | | f(x)=4x/3x-3 | | 6b-12=2 | | -t/4=9.4 | | 16+b^2=16 | | 6(p+6)=42 | | (3/5).(-1/2)-(-3/5):(2/7)= | | 7x=2701 | | x+1=69.08 | | 3x+3=5x+10 | | X*28=4 | | 196=0.04s | | (6+2x)*(8+2x)=72 | | -t/4=3pie | | y=18.46+0.6x | | 3+6z-2=9z+10-6z |