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80/7 = 0
1;5;2;5
A/25 = 16/a
y = 1*x^2-4*x+13;1;-4;13
-(((-4)^2-(1*4*13))/(1*4))
| 3(x-1)-(x+3)=5(x-2) | | Log(4x)=-1 | | 4x^2+16x=600 | | 7x+6-8x=55+2x | | y-6.1=8 | | 2(2x-3)=13-2x | | -4x+6(1+x)=-34-6x | | (p+8)(p-11)=0 | | k-5=7.2 | | 0.75n+0.25n=-100 | | A/25=16/a | | -4a-(-8a-5)=-11-4a | | -6m-12=87 | | 8m=44 | | 36+6b=-2(b+2) | | 2(b+8)+(b+1)=19 | | 18a^5b/-72a^2b^8 | | (X+3)(x+3)=121 | | 2(8x+3)=6-2x | | 7t+7=7+7+19 | | 1/7(x-3)-3/4(x-1)=2/3 | | 9=8x-39 | | 78=2(3m-6)+3m | | cos^2x-3cosx=4 | | -5(2-8v)=-10-4v | | 0.63+0.29t=2.21t-0.65 | | -7+9=13y+14-12y | | 2m-26=6+6m | | 48-0.3d-0.67d=50 | | 20i+10=110-5 | | 6m=2(6m+18) | | 9h=99 |