(7c-2)x(7c-2)
6+4 $\sqrt{\Box}$ 2
(5r+7)tan(47)=137.2
\frac{x}{5}-\frac{3x-2}{4}=\frac{1}{3}
2y/x = 6/3
no graficar
7x + 4y - 3x + 13 - 7y + 5
two integers the ratio between them is 3:7 if we add 7 to the first
term and subtract 12 from the second , it becomes 5:3 find th...
$\sqrt{\18}$ : $\sqrt{\32}$
log(x,64)-log(2,x)=1
