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n=12123123
We move all terms to the left:
n-(12123123)=0
We move all terms containing n to the left, all other terms to the right
n=12123123
| x-(4x-7)=5×-(×+21) | | X+64=3x26 | | 272=16g | | 2z=6z+4 | | 0=-4.9t^2+35t+40 | | 3x+71=5x+31 | | ×-(4×-7)=5×-(x+21) | | 2x+4x+-x=6+1x | | X+2x+6=17 | | -20=-210y | | X+2x-6=17 | | 13+f-8f=25•5 | | 34=17y | | 1.2x-2.4=2-× | | 12(p-2-1/3)=-8 | | 40=5x-2 | | 2|v-8|+14=36 | | 40=-4b | | 4(2y-3)-2=24 | | 9x-2(3x-5)=10 | | 12/3=1×t | | a/4=-10 | | 3/4d-11=1/4d-1/2 | | -13=-6+h | | 3x-28=2x+17 | | 3x+105=50 | | (26x-4)+80=180 | | 2|v-8|+4=36 | | 3(4)-4y=24 | | (26x-4)=80+180 | | 3*n-7=-30 | | 3(3x-9)+2(x+10)=0 |