If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9^x-7.3^x-18=0
We move all terms containing x to the left, all other terms to the right
9^x-7.3^x=18
| 8(2x-1)=0 | | 3x+2x+x+x+10=180 | | 3(h-3.2)+5=2(h-3.2)+h+1.8 | | 8x-16-12x-15=0 | | 4-5x=11+2 | | 8x+8/2x+3=0 | | 4(3b+1)=0 | | 4-5x=77+2 | | (3x)^2/8+2=20 | | 0x+6=7x+8 | | -2(8v-5)+5v=7(v+2) | | 2v-7+4(2v+2)=-5(v+1) | | 2x^2+1=4x^2+4x+1 | | (k-7)2=4 | | -8x-5=-109 | | 2x^2+2=2x^2-4x+5 | | Y=10/9x+5 | | 7(3n-3)=42 | | 6x4+7x2=124 | | 2x^2+4x+2=2x^2+1 | | 4000=m/20 | | 2(x+1)^2=2x^2+1 | | (.12x)+x=19.04 | | (3+x)/3x+1+(x+2)/(x+1)=5 | | 2z=18-28 | | 13r+35/2=-2 | | 250b=2000 | | (5x+3)(x+1)=0 | | 2^-(3x)=8 | | X+3/4x=350 | | 2^-3x=8 | | n^2+n)/2=6 |