If it's not what You are looking for type in the equation solver your own equation and let us solve it.
57+13m=265
We move all terms to the left:
57+13m-(265)=0
We add all the numbers together, and all the variables
13m-208=0
We move all terms containing m to the left, all other terms to the right
13m=208
m=208/13
m=16
| 51/2+23x=37 | | x+66x=180 | | 29n-247=304 | | 4|2x-3|=36 | | 35+(t•.15)=61.85 | | 7/4+p=7/5 | | 67(76)x=5(67) | | 5y+5(-3y+10)=40 | | 12+8x=15+7x | | -5v+3(v-3)=-29 | | 7y+6=116 | | v=3*4^*12 | | 11y+6=120 | | 3(n+2)=9(6−n) | | 5x+48+7x=12x-4) | | 5x+48+7x=12*x-4) | | 12+4v=24v | | 24+4v=24v | | 2v+-12-6=28 | | 0.01x^2-0.2x+5=0 | | 2+2f=4-2f+6 | | E=2.75q+$24,582 | | 100=3x-(0.65+20) | | w/3+3=-9 | | 3x2-40=203 | | –2=–4+t | | 2x-3=56x+18 | | 0,1x=0,01 | | (8x-5)+(5x+1)=180 | | 5x2=192+2x2 | | 0=500-0.4x | | 82x=4 |