If it's not what You are looking for type in the equation solver your own equation and let us solve it.
300000/(x-20) = 0
(1/4)*y-7 = (1/3)*y
-sin((2*pi)/3)
(7/12)^4*x = 49
-2*sin(pi/4) = 0
| U-7=21 | | 4+3b=2b-10 | | 8x^2-16x-36=-10 | | -2x^2+50=10 | | 300000/(x-20) | | 21x+7=17x-26 | | (b+3)*.25=.75b+.75 | | 2(4x+6)=17x-26 | | 1/4y-7=1/3y | | 2s^2-5s-12=0 | | -10t=10 | | [0-360]sinx-2sinx(cosx)=0 | | 4=-2+x+5*cos(x) | | 1.67x=32-x | | 4=-2+x+5cosx | | -0.11111(18b+27)=1+b-4-3b | | (7/12)^4*x=49 | | 8.571428571+-0.7142857143=9.473684211+-0.2631578947y | | -69m=-276 | | ln(x^2+7.5)+ln*2=ln*4 | | 55x^2-5=0 | | ln(x^2+7.5)-ln*2=ln*4 | | 5b+7=0.5*(10b+12) | | -2a-19=-3 | | h(t)=-(16)t^2+48t+100 | | f(x)=6x^2-36x+45 | | -2sin(pi/4) | | 12+1+9M-9m=2m+2-5 | | 6z(10-z)= | | -2cos(pi/4) | | 19x+5y=180 | | 2.9x-3.7-4.9x=3.0x-4.4 |