Maths-
SAT
Easy
Question
5x + 2y = 22
4x + y = 17
In the system of equations above, what is the value of x + y?
- 5
- 4
- 3
- 2
The correct answer is: 5
5x + 2y = 22
4x + y = 17
Subtracting
5x – 4x + 2y – y = 22 – 17
x + y = 5.
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