If it's not what You are looking for type in the equation solver your own equation and let us solve it.
20-7+3x^4=40
We move all terms to the left:
20-7+3x^4-(40)=0
We do not support expression: x^4
| x+20+(x+20)-18+x=88 | | 5y^2+40y-45=0 | | 89x•666+09=693 | | 3+4a=31 | | 4.05p+14.40=4.40=(p+3) | | 2(a+7=9 | | 5x-X=8x+17-5x | | 6x-2x+5=-7 | | 6n•7=-49 | | 4x2+-4x+-1=0 | | 4x^+7+23=0 | | -88=4(-6-2n) | | q/2-3/5=7 | | 2y-13=24 | | (2x-16)=90 | | X+6=4x=x+x=x | | 3-5(2x-8)=45 | | 3(x+4)=8x+9-5x+3 | | 61=11^x | | 5/7(10d+63)=10d+19 | | 21=-3r-2-1 | | 2(x-4)=5x+2-12x | | 6v^2+v-15=0 | | 2r/3-7=r+5 | | (x-5)(4x+9)(x+5)=0 | | 180-7x=2x+20 | | 2x=10-4x-6 | | X^2-6x-48=40 | | -6v=12 | | (-3+y/4)=25 | | N=7n+3 | | 1/2(4z-6)=5 |