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81;19
1;7;1;7;3;0
(0.25*x+23/4)/1.8 = 0;x
x
4;21;4;5;1;4
42;48
| 4(8-y)=2(y+8)-2 | | 15x-3=-4x-3 | | 15-4n=-3 | | 4s+35=127 | | 9/4(4)-12=1/4(4)-4 | | (9/4y)-12=(1/4y)-4 | | 280=y-(1/4y-10) | | 5x+11+2x+12+114=180 | | 12x+5=4(3x-1)+9 | | 2n^2+13n+23=2 | | 5m-6+3m=-9 | | 9x-15=7x-5 | | 5-2m=6m+1 | | v2=25/144 | | 10x+9y=230 | | 52x-6(5x)=0 | | 10(x+1)=4(x+4) | | 4(x+2)=4(x+12) | | 15-y(3-(4y+4)-57)=2-y | | cos(4x)+cos(2x)=1.414 | | .5x-12=-8 | | -5+5y=1 | | -4.56j-9.1=8.324+9.1+0.28 | | .5x+5=5 | | 4+25=20x+8 | | x^2-xy+y^2-3y+3=0 | | 6z+-6=-42 | | 10-9x=-116 | | sinxcosx=(-1/4) | | 10x-134=3x-8 | | 10-8x=-110 | | .5x-10=-6 |