If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a-78=99
We move all terms to the left:
a-78-(99)=0
We add all the numbers together, and all the variables
a-177=0
We move all terms containing a to the left, all other terms to the right
a=177
| 2x^2-13=20=(2x-5)(x-4) | | 21=y–9y | | y+98=121 | | 19=6f+1 | | 21=y–9y= | | 12k=240 | | -5x+9=8x-14,4 | | q+6=14q= | | -5(x+10)^7/2=-390,625 | | 3(3+5w)=5(w+1)=12 | | 8c+14=94 | | 5x/2+20=180 | | -5(x+10)^7/2=-390,635 | | 3x+33=4x=8 | | 2e–1=11 | | 8r=152 | | d/3+1=25 | | z+9/9=5 | | b+159=300 | | 39=-9+6x | | r=152 | | 6+–2u=2 | | 3n^2-3n=3n^2+2n-1 | | 3w=40 | | x/3-13=14 | | 2=s−48 | | 3q+4q-q+3q=9 | | 2x+3(3x–4)+8=29 | | 55+4x+(x+10)=180 | | 5a-2a+4a+3a-a=18 | | 40/50=x/64 | | 0.64=x/100 |