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| 2y-3x=30 | | 4p-05=5p-05 | | (13X)(7X)=50 | | 6x-1=7y | | Z^2+4z-i+4=0 | | 4(3x)+x=22+x | | 9x=3-4x | | 5:a=10 | | 5:=10 | | 5:x=10 | | 0=0.75+4.9x | | -238x=112 | | 3x-15-4x=-9+x-13 | | cos(2x+20)=0.5 | | 3x-15-4=-9+x-13 | | Y=y^3cosx | | 3x-4=12-7x | | x^2-y^2+4*x+6*y-13=0 | | 2x-22-9x=42+11x-100 | | 1.00+x=1.10 | | x^4-4x^3+7x^2-4x=0 | | p(t)=-16t^2+20+50 | | A(2a+1)(3a-2)=0 | | (25-43)/2-7 | | 7=(11*2)+p | | (x^2+x-1)(x^2+3x+1)=55 | | 3x+9-2x+5=6x-4+7 | | 5x-4=11-5 | | 3x+19=7x-53 | | (1/2)^x=32 | | (2x+3y-1)dx+(x+2y)dy=0 | | x^2-9y^2+18=0 |