2x+3y=9
4x+3y=15
what is x and y for this simultaneuos equation
A + B =
673=7
435=5
627=8
362=?
7x+2y=41
3x+4y=27
make r the subject:
n=k-pr
En la mitología, David ataca al gigante Goliat lanzándole piedras con una honda. Supongamos que David, de escasa estatura, arroja ...
find the derivate of 1 divided by 1-x
$\frac{1}{15}$ + $\frac{1}{40}$
1 divided by 1-x
(2x-5)-(-5x-2)