Question

If 3x - 3y = 9 and x + y = 5. then x equals...?​

Answer 1

Answer: x = 4

Explanation:

x + y = 5

y = 5 - x

3x - 3y = 9

=> 3x - 3(5-x) = 9

=> 3x - 15 + 3x = 9

=> 6x = 24

=> x = 4