If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4*x^2-(1-(2*x))^2 = 11-(2*x);x
x
1*x^2-1*x^3+7*x-3 = 0;x
x
1414
2;5;6;15;0;0
7^tan(x)
| 5/9(F-32)=-.621 | | -8(m-5)=-3m | | (2+3x)*3-128-(-12x)=x-6*(-2x-1) | | 3/5v=45 | | 5x+1-3x+1=8x+2-x+2 | | 3y+16=6y+y | | 7x+166=9x | | n-7/2=2 | | 3x+y=640 | | (x-4)/(8-x)=0 | | (5x-1)(x-3)=0 | | (2x+5)+3x-10=70 | | 5x-45=15 | | 4r-3=r+2r+3 | | y=(x-1)(5x+2) | | 11=2x-7*1 | | 7*cos(x)=sin(x) | | 15.8x+10.4=12.0 | | .75(-16-8x)=.5(16-20x) | | 8.5x+5.4=17.3 | | 6+2v=-2 | | -3w+2w+7=-9 | | 4(9-9x)=-9(4x-4) | | -8.8(X-2.75)=26.4 | | -3=3+2v | | -500+10p=3500-10p | | 24x+6-4=4x+10 | | 0.35*x=1 | | 0.3*x=1 | | 1.2+0.3=0.9 | | (22X-1)(4X+5)(8X+3)(16X-15)-99X^2=0 | | 5x+4=24+17 |