If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2xx20=90
We move all terms to the left:
2xx20-(90)=0
We move all terms containing x to the left, all other terms to the right
2xx20=90
x=90/1
x=90
| 3535=17251725÷h | | Y=38(0.29)^x | | 26+5r=71 | | x+5/2x+1=1 | | 13=4/k+9 | | 5x+13+3x+33=79 | | 0.2n=-4 | | j-758/11=12 | | 8=1h | | 6y-5=7y= | | –9+3h=4h | | 3p-17=1 | | 4d+11=12 | | f7-2=1 | | B/x=20 | | 3e+2/5=4 | | 10(5+y)=90 | | g-895/23=3 | | f+3=11 | | 3q+1=18 | | 10(q-879)=760 | | 4r+4=7 | | a=-3/X=4 | | b+93/9=15 | | d-12=-16 | | m/15-6=2 | | x^2+8=-36 | | 4^x-1=6 | | (2/3)x+3=2x-5 | | 3p+9=13 | | x3=2x2+8x | | x^2+8-36=0 |