NationalMediumAlgebra7–9
In the system \begin{cases} x + y = 10 \\ x - y = 4 \end{cases}, what is the value of x?
No sistema \begin{cases} x + y = 10 \\ x - y = 4 \end{cases}, qual é o valor de x?
Answer options
Solution
Step 1 of 3
- 1.Add the two equations: 2x = 14