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18*x-(21*y)-2;24*x-(15*y)-7;2*x-(3*y)-1
100 = 80/4
(1/7)*x^2 = 0
12;5;15;5;0;0
7.5/123.75 = 0
| -5g+20=-2g+2g | | 6(2x+2)=132 | | .33x+15=.50x-12 | | 2x^2-7x-2=-3x^2 | | 5x+13=5x-19 | | 11=x+64 | | 4-a=-7 | | .5(4-2x)=16 | | 100=80/4 | | 16x+4+3x+11=180 | | 5x+13=-3x-19 | | -5g+20=-2g | | .33x+15=.50-12 | | 0.8x+0.2x= | | 3(x+13)=3x+39 | | c^2-5c=-2 | | -18x-9=9 | | 7x-11=4x+4 | | 9(x-10)=-x | | -6g+6=-5g+2g | | 7(x+8)=7(x+13) | | 2(x+y)=8 | | 11x=2(4x+39) | | 272=w+(2w+10) | | 5x+3x+4x=4x+2x | | 16x+4+3x+11+110=180 | | 7x+1-x=1+2x | | 1/7x^2 | | 11x=2(3x+75) | | 3(2x-2)+6y=0 | | 8(2+5m)=216 | | 8+8k=6k+9 |