Question

Solve 3x+4y=17
5x+4y=27​

Answer 1

x = 5, y = 1/2

Explanation:

-3x - 4y = -17 Use the elimination method by adding the 2 equations together

5x+4y=27​

2x = 10 ===> x = 5

3(5) + 4y = 17,

4y = 2 ===> y = 1/2

Answer 2

(5x+4y)-(3x+4y)=27-17

2x=10

x=10÷2

=5