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21*(-2/7)
-8/9-(1/3)
3.8/0.855
10*x-6
5*x^2-(6*x)
| 3=a/b | | -7x+5y-2x-8y= | | 4x+8(2x-3)=-3(-5x-2) | | -2v+7v=-8+6v | | 3.1y-2=7.3 | | 9(b+3)+7b=12 | | 3/4(x^2-17)=6 | | 2x+5x-5=6x-9-x | | -2v+v=-8 | | -3(x-5)=x-4(2x+6) | | 26n=-17 | | 3n-1=2n-11 | | x^2/(2.43-x)=9.4 | | -(5x-4)+6= | | 2x^7=28 | | 4in(3x+2)=8 | | 3(2n+1)=7(5n+5)+7 | | (-2/7)(21) | | -8x-y=14 | | -3/-4x=7 | | 2q=4.6 | | (3)/(10)=(y-3)/(4) | | 1.9n=57 | | 0=-16t^2-8t+69 | | 5x+x+4x=18 | | w-16=15 | | -5+3.7=7x+10.9 | | 6(3n+5)=8(5n+4)+4 | | 58x-2x^2=34x+54 | | U-4=-7u+7 | | 3x+124=6x+29 | | 18x+2=9x+1 |