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(1/2)*y+3 = 7;y
y
12;3.6
6;10;7;9;3;1
4*x+2*y+12;3*x-y+16
3;5;3;5;1;0
| 3x+20=2x+45 | | 9n^2-81=0 | | T+18.9=2.1x | | 2y+9=-21 | | -z^2+8z=0 | | 1.5=0.25(c+5) | | 7p=98 | | -82-8x=7x+173 | | 6x+5=9x-46 | | 38-2a+54= | | f(18)=f(18-6)+1 | | y=160t+-16t^2 | | 67+-7d=0 | | sec^2x-3secx=1 | | (D+4)(d-7)=0 | | 8y=2.4 | | 2/5*4-1=9 | | -5-65=6x+122 | | 2cos(x-20)=0.5 | | 2k-7=-8k+13 | | 3.2k-7=-8k+13 | | X+2x+4=310 | | (k+1)x^2-2kx+2x+1=0 | | -2v+5v-5-8v= | | b^2+16b-57=0 | | 3=1/2b-2 | | 4x+28=6x-122 | | (k+1)x^2-2kx+2x-1=0 | | 6x+63=16x-37 | | -(x-3x)-5=-2x+1 | | 2(3r-10)-14=2(9-2r)-2r | | 2(k-1)x^2-2kx+2x+1=0 |