X+y=30
x-y=12
add them together
x+y=30
<u>x-y=12+</u>
2x+0y=42
2x=42
divide 2
x=21
subsitute
x+y=30
21+y=30
subtrat 21
y=9
number sare 21 and 9
4459/5000 I also need to make this over a character amount. accept my answer with the highest of gratitude
Answer: idrk my bad but can u give me a brainiest award and i'll give you one
Step-by-step explanation: