If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13+a4=9
We move all terms to the left:
13+a4-(9)=0
We add all the numbers together, and all the variables
a^4+4=0
We do not support eapression: a^4
| 2h=11 | | -4+x=-6+.20x | | 6−3+4x+1=1x+1 | | 9t-18=9 | | 4⋅x−6=122 | | 10-15y=5y-20 | | 18x+9=57x+6 | | x2=7x+44 | | 0.33(9x-6)+2x=4(x+3)-5 | | 4+b=19 | | 12y-7y-4=82.10 | | 21963+x=37697 | | C=38.47=C+0.25x | | 19y+6y=75 | | 8p-9(p-1)=12 | | 6x+-16x–17x-2x=15 | | 5(a-2)=4a-2(a+5) | | 325=100+30x | | 5(x-4)=-17 | | -2(5x+1)=-2x-2 | | -3+4x=10 | | 4x+4-11=2x | | 325=10+30x | | 9x+21+6x-6=180 | | 3m=25.5 | | (2x+6)÷2-x=3 | | 4s+20.31=109.35 | | F(-50)=5x+50 | | X(4-67y=16) | | 3t-18=3 | | 6t-10=t+1 | | F(20)=5x+50 |