If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4^2x=9^x-1
We move all terms to the left:
4^2x-(9^x-1)=0
We get rid of parentheses
4^2x-9^x+1=0
We move all terms containing x to the left, all other terms to the right
4^2x-9^x=-1
| ,5x-35=5 | | 2=0.4-0.6x-7 | | 2/x-1+15/x^2-2x+1=1 | | 6g^2+41g=-70 | | X-6=-4x+3= | | -9v-9-5v-5-v+2-8-9+7v+5v=0 | | -3(6r-5)=-27 | | 11=v/4-15 | | 1/2x-18=2= | | x/3-14=29 | | -8(1-7s)=26 | | 65+15x=35= | | 3/x-2/5-x/4=7-x/3 | | 85-2x=99x-3x | | 3(x)^(-3/2)=375 | | 6.2x=15 | | -4g-20=0 | | t+(-2)=-12 | | 1=2-2y/6 | | 0.002x+0.3=0.92 | | x-5.5=9 | | 32.1=x+14.1 | | 1.9y=10.26 | | 31x=30x+3 | | 11x+65=180 | | 3+8-3z-5-9z-1-6-4=0 | | 1257.5=619.13+(4.8n) | | 4/9m=-28/9 | | 5(4d+10)=-40 | | -16/9=4/9m+4/3 | | 8p-3+9p+6p+2p-6p-3p-9p=0 | | 7x-1=42 |