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10^n-9^n=0
| x+4÷5=12 | | (2197)1/3=2p+1 | | p-6=13p+6 | | 15x+6=30x | | 20+3y-1=12y-11-3y | | -21x-49=42x+49 | | 8+2k=0 | | 47-3x=12x-10 | | -48≥4x=-6-3x | | -64x+64=64-64 | | (x-10)°+(4x+25)°+(x+5)°=180° | | x=-48≥4x-6-3x | | 5x+-6=3×+4 | | 5x/100+(6000-x)×9/100=500 | | y=26+7 | | 4x-802=(5-4x)-3 | | 8c-3=-3c+19 | | 2/3x+1=−3 | | (3x-29)+(6x-7)=180 | | 2y-40+y+10=180 | | -35-7x=-7(×+5) | | 5x17-4x=36 | | −28=45d | | -40x-15=x+1 | | 8x-0.1(x^2)=700 | | 5x+3=3x–5x=-4 | | -1(1+-7x)-6(-7-x)=36 | | m-m=5 | | 10x+12=16x+24 | | N(p)=100-4(2)^2 | | 7x-11+5x-2=2x-3 | | 4(3x-1)=5x+1 |