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u-7=5
We move all terms to the left:
u-7-(5)=0
We add all the numbers together, and all the variables
u-12=0
We move all terms containing u to the left, all other terms to the right
u=12
| 155x=10 | | n-694/26=7 | | (x+3)+x=86 | | 225/h=9 | | 15=270/k | | 4/8=u/66 | | 12/8=x/1 | | (w-1.5)(w-1.5)=352.25 | | 5=p-885/17 | | 286/26=x/1 | | w/13-10=9 | | r/13+158=183 | | 3x-9=72÷12 | | 20(y+15)=1,000 | | (x-3)^3=26 | | 8t+1.5=56 | | 15=x/2.5 | | 243/9=x/1 | | z/17+463=483 | | 10=y/4-20 | | 72/9=x/1 | | 13+g=(-5) | | –8(s+6)=–24 | | 3.2+10m=6.91 | | 17.12n=192 | | 42/3=x/1 | | h/5+78=86 | | 17x+54+15x=360 | | –3k+10=–6k−8−6 | | 5x-10-x+12=6x-(4x-10)-16 | | 60/u=6 | | (5)^3x-12=31250 |