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n in (-oo:+oo)
4*n = n/13 // - n/13
4*n-(n/13) = 0
51/13*n = 0 // : 51/13
n = 0
n = 0
| 1244=50+6x | | y=750-16x | | f(x)=-16x^2+64x+8 | | 4x+1+57=90 | | 4z+5=90 | | (x+40)(x+30)=8x^2 | | 4z+5=180 | | .50x+.15(50)=47.5 | | f(10)=x/2-6 | | 3x-2+9x-26=20 | | 3x-2+9x-26= | | y=700-24(x) | | -18=9-8/2 | | 9n^2-11n+7=0 | | 26r+2377960=125r+2067959 | | .50x+1.5(50)=47.5 | | 6x-9=8x-3x | | p(p+4)=5 | | 7x^2-16-6=0 | | -sz+1=-4z | | 9+21=-3(8x-10) | | 7x=5(9x+2) | | 7x/12y-1/18xy^3 | | y=35.00+0.80(x) | | 12+20x=x | | 1/2x5/7 | | 2w=40-3w | | https://content.thinkthroughmath.com/uploads/image/image/302788/G58L808P1167S-caad222894c506b95f43f6b5667b1831.png | | 26r+2377960=3000000 | | 30=-16t^2+170t+40 | | 12+20x=s | | 2y=8/15 |
