If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u-13=45
We move all terms to the left:
u-13-(45)=0
We add all the numbers together, and all the variables
u-58=0
We move all terms containing u to the left, all other terms to the right
u=58
| 4h-37=43-4h | | -25=u/5+5 | | 9l-17=l+15 | | 4s−22=14 | | 40-(3x+4)=2(x+3)+x | | 8b+25=3b-30 | | (x-2)^2-75=0 | | -38+6x=2(1+8x) | | 4+5^{3x}=100 | | 2w=3w=45w= | | 3z=120-z | | 5a-8=6-2a | | 4+8g=-28 | | 9w2+2=17 | | 0=-0.00635x^2+630 | | -3y-7=-40 | | g+44=-50 | | 5x-4=3=14 | | 2(x+4)+6=4x-8 | | 342x=-19 | | b-33=18 | | 720x=8 | | 35x^{2}-69x+12=0 | | -5(x+4=20 | | 0.4x+4.1=2.7 | | 7=v-7 | | –4=–4(f–7) | | 27-3c=9 | | 43=r+19 | | x^2+17x+72.25=x+72.25 | | (5-2x)^2=169 | | 12-g=83/4 |