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11+u=2
We move all terms to the left:
11+u-(2)=0
We add all the numbers together, and all the variables
u+9=0
We move all terms containing u to the left, all other terms to the right
u=-9
| 3=b2 | | 11=11+a2 | | 2x*x=30 | | (3x+19)(7x+5)+(2x+8)=180 | | –10s+2s=–40 | | −1.5| | | 19=w+20 | | H=39.2t-4.9t² | | 1/10+1/r=1/5 | | 3w–13=14 | | 1/5=1/10+1/r | | -4.9x^2-2x+100=0 | | 35=–2s+19 | | ⅓(3X+9)=2x-10 | | 9c=–18 | | C=11x+18800 | | -3/4(8n+12)=-3n+n-(-1) | | 5c=–30 | | 7+r=–3 | | 17+c=29 | | v+14=21 | | 45=–9z | | (4x)+(9x+17)=(19x-63) | | 3+5y=-26 | | 3x^2+15=21 | | 2=2(d–3) | | –t2=6 | | x=100/150/30 | | 8=x/9+5 | | 4c-5+14c=27 | | -2(24)+15y=24 | | –11=w–14 |