Question

19. Soive: 3x + y = 15
2r-y=5​

Answer 1

Answer:

$3x + y = 15 \\ 2x - y = 5 \\ - - - - - \\ 5x = 20 \\ x = \frac{20}{5} \\ \boxed{ \large x = \underline{ \underline{ \bf 4}}} \\ \\ 2x - y = 5 \\ 2(4) - y = 5 \\ 8 - y = 5 \\ 8 - 5 = y \\ \boxed{ \large \underline{ \underline{ \bf 3}} = y}$