If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3a-72=a
We move all terms to the left:
3a-72-(a)=0
We add all the numbers together, and all the variables
2a-72=0
We move all terms containing a to the left, all other terms to the right
2a=72
a=72/2
a=36
| t−17=19−3t | | 3b5=22 | | 17+5(2x-9)=-(-6x+10)+4 | | 2x-1.5=15.85 | | 2n-n+4n+n-4n=8 | | -2k(k-5)+2k=5k+5 | | x/3+1/5=2/5 | | 3(x-40=-3 | | x^{2}+6x-16=0 | | x+4.5=36 | | 606=-6c | | y=8y=48 | | 2b3=13 | | 4+x-3=3 | | 9v+55=13v+51 | | r/8-3=3 | | -17y-(-5y+4y)-5y=13 | | 12,000s=7,500 | | (0.75)^x=0.54 | | 4(x/2+5)=24 | | 5x-13+43=180 | | 7(m-78)=63 | | 4x+62x=1 | | -(2-y)-3y=-6 | | x+2x =23 | | 11+2h=63 | | 13.32+0.06t=13.64+0.09t | | 5(x+5)/3=5 | | 4(r-57)=96 | | -3(x-4)=(-8-1/2x) | | 3y6=15 | | 5x+6+89+57=180 |