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ln(x)-x+1
2*e^4*x
1/(x*tan(x))
x^2+4*x+2 = 0
(x^2+3*x-1)/(2*x+3)
| 3.2x-68=1.7+7 | | 9a-3b-5a-6b= | | 2.5x-0.3=0.6x+0.5 | | ((2vu^0)^2/u*2u^2) | | X+3x+58=148 | | y*14=252 | | X+11.25-1.25x=90 | | 8x+20=3x+90 | | 40t=14t+4.5 | | y-6.6=5 | | 20=-25 | | x^2+5x-2=48 | | 40t=14t | | (x+1)dx-(2x-3)dy=0 | | 7x+2=8+3x | | 4g+3-8g-8= | | 20/4x=2,5 | | 4+4(k-5)=-23+3k | | w-16+ -156= -141 | | 8=9sin(6x) | | 5f+8=-3f | | 3+19u=18u | | 8-x^2=-2 | | 687=2u+301 | | 6.3x+10-1.3x=5 | | 15x^3+10x-4=0 | | 0.108333= | | 8d+e-6d-3e= | | 2(3+-0.25y)+3y=11 | | ln(5x-1)-ln(2x+3)=0 | | -x*2-24x+22=0 | | 2*x^8-4*x^4=16 |