Question

5x+3y=9, 2x-3y=12
$5x + 3y = 9 2x - 3y = 12$
​

Answer 1

Step-by-step explanation:

$5x + 3y = 9 \: \: \: 2x - 3y = 12 \\ 5x + 3y = 9 \\ 2x - 3y = 12 \\ (5x + 2x) + (3y - 3y )= 12 + 9 = 21 \\ 7x = 21 \\ x = \frac{21}{7} \\ x = 3$

hope it is helpful for you pl mark me brainlist