If it's not what You are looking for type in the equation solver your own equation and let us solve it.
26u-45=12u+39
We move all terms to the left:
26u-45-(12u+39)=0
We get rid of parentheses
26u-12u-39-45=0
We add all the numbers together, and all the variables
14u-84=0
We move all terms containing u to the left, all other terms to the right
14u=84
u=84/14
u=6
| 7-1x0+3/3= | | 15d+78=17d+64 | | -2+15=4b-8-3b | | 6v-19=-13v-3+20v | | 2p+52=6p-100 | | (x+6)/7=7 | | 4/5x+2/3+1/5x=x | | 3(x-1)-2(x-3)=6 | | 6v–19=-13v–3+20v | | 6v-32=44-2v | | 21g+50=46g-100 | | 66=-49+x | | -15=7k+8k | | 2r-27=4r-73 | | 5/2x+1/2x=221/2+7/2x | | 19z+18=17z | | -13x=x+21 | | 4n+1=n+91 | | -1-5=7-3x+4x | | 19t-6=16t | | 16=-2(2x+4) | | p-1=8(p-1) | | -2w+3+3w=-1+4 | | -9=x/8-11 | | 9/x=7/5 | | z/5=1/3 | | 19t–6=16t | | 36+18x+81=0 | | 2/8+3/4=w/9 | | 1.25*x=1 | | 8(x+4)=9+x | | 5p-8=1=5p-9 |