Answer:
I don't know... I'm new here
Step-by-step explanation:
When you multiply the first equation by 3, you get:
3 × 3x = 9x
3 × y = 3y (but when added, that part gets eliminated)
3 × 3 = 9
So you end up with
9x + 3y = 9
x - 3y = -2
(add)
10x = 7
So your answer is B. 10x = 7. I hope this helps!
Answer:
Step-by-step explanation:
+
The least common multiple of 3 and 5 is 15. Convert and to fractions with denominator 15.
+
Since and have the same denominator, add them by adding their numerators.
Add 5 and 6 to get 11.
Hope it helps and have a great day! =D