If it's not what You are looking for type in the equation solver your own equation and let us solve it.
27^x=87
We move all terms to the left:
27^x-(87)=0
We move all terms containing x to the left, all other terms to the right
27^x=87
x=87/1
x=87
| 8g+3.78=36.82 | | 6+18=-4(6x-6) | | 4x+10=14+2x= | | 10-2x=-28 | | -7(p+1)=7(2p-4) | | X+120+100+120+120+(x+10)+x=720 | | 23x2=17 | | 2x+3(4x−1)=2(5x+3)+4x | | 1r=2r-2 | | 3/4y=72/4 | | 1=0.3x-0.9x-17 | | b/12=-5 | | 2^x+5=256 | | 2.3+10m=8.86 | | 7(7-5x)+7(8x+4)=14 | | 2x+9.5=18.5 | | 5x-19+3x-11=128 | | 102=14+3x | | x2-3=6 | | -2/5x+2=-1/5x+11 | | -17b=-255 | | -(x-3)-9=1 | | 1/7-x/7=-4/7 | | 9x-8+6x-6=256 | | H+h-3=35+3 | | -8b=152 | | 9b-1=30 | | 4-d=-(-4) | | -(x+3)=2(x+3) | | 4-3.2=m | | 25+.5x=60 | | 2x8x=12-8x |