Solve the following system of equations. Please show your work
x - y = 13
2x + y = 2

Explain which method you chose to solve the system and why you felt it was the best choice.

Question

Solve the following system of equations. Please show your work 
x - y = 13
2x + y = 2

Explain which method you chose to solve the system and why you felt it was the best choice.

anonymous · Answer

first 
add the two equations 
you have -y in the first eq
and y in the second

jdoe0001 · Answer

$\large \begin{array}{llll}
x \cancel{- y} = 13\
2x \cancel{+ y} = 2\
\hline\
3x\qquad =15
\end{array}$

what do you think?

anonymous · Answer

x = 5?

jdoe0001 · Answer

yes

jdoe0001 · Answer

notice, we  ELIMINATED "y" to get "x"
because the -y and +y were given really
so that was the simpler way to go about it