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7;15;7;15;0;0
2*(x-1)+x = x-(3*(2-(3*x)));x
x
3*x-2*x^2-1 < 0;x
x
3;4;11;12;0;7
858;6
| 15=21m | | 15=21u | | 6=-2(c+4) | | 5x^4-16x^2y^2+12y^4=0 | | 5+2(5x-6)=6-10x+5 | | 2x*2+8x-280=0 | | 7(z-7)=2 | | 38*2x=90 | | -7(z+5)=1 | | -4(r+8)=4 | | (2x-4x+13)+(2x+14x-6)= | | (3x+23)+(7x-37)=180 | | 8(w+2)=3 | | -7x+5(x+7)=25 | | 4(i+4)=2 | | -28-5p=-1-6(p+4) | | Sin55=10/y | | -3(f+6)=4 | | -21r=-18-24 | | (1+cos(x))(1-cos(-x))= | | 6/5y-6=-24 | | x^2=1.5x+7 | | 4=-5(t+4) | | 7x+3=8x+2 | | 4(c-9)=7 | | 2*x+1=0 | | 5x+10=3+7 | | f(x)=-tan(4x) | | 6(3x+8)=17x+9 | | 18x+28=118 | | Log(9x-2)=1+log(x-4) | | 52=y |