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u+8=9
We move all terms to the left:
u+8-(9)=0
We add all the numbers together, and all the variables
u-1=0
We move all terms containing u to the left, all other terms to the right
u=1
| 1,115+x=459 | | 6−m=5m+30 | | 2b+8b=16+6b+2b | | 7x-23-10x=(x+1) | | 3=t(t^2-5t-8) | | 13-x=x+4+x | | y=1*0+2 | | x+10/9=-1 | | 1+0.35x=2.8 | | 4(-2+3m)=12m | | n/12=40 | | (9x-3)=(7x+19 | | 15d+–19d=4 | | 8v-3v=5v-8 | | 180=48+2x-44 | | 24r+8=-4(3+6r) | | x-8/4=-5 | | 5x-2=2(x-1)=3x-4 | | 2x-(7x+12)=4x+15 | | 4b=9b=45 | | 42=35+v | | 2y+3.5=5.3 | | 4+8x=-11+5x | | 2a+5+1-3=8-3a | | 8p-2=66 | | (4x+2)=40 | | X+30+x5x=180 | | x=6+-3 | | 25-4y=50 | | 33=44-u | | 20+(y*4)=100 | | -7+7b=8b-8 |