Question

Solve the following system of equations.
x + y = 14
-x + y = 16

Answer 1

Try adding the equations together

Answer 2

x+y=14
+(-x+y=16)
-----------
(x+(-x))+(y+y)=14+16

Answer 3

simplify that and then solve for y

Answer 4

hint : \(\begin{array}{rllll}
\cancel{ x } + y = 14 \\
\cancel{ -x } + y = 16
\\\hline\\
\square ?+\square ?=\square ?
\end{array}\)

Answer 5

@bibby can u please help