Answer:
Its the first option.
Step-by-step explanation:
3x + y = 5
5x - 4y = -3
From equation 1:
y = - 3x + 5
Substituting for y:
5x - 4(-3x + 5) = -3
Answer:
what are the things at the end.
Step-by-step explanation:
Simplify 9i(2+3i):
9i×2=18i
9i×3i=27i
18i+27i
Answer:
ummmmmm i do not know
Step-by-step explanation:
1 A. 5
1 B. 12.9
2. For this one, u can write any number less than 4.7, which could be 3, 2, -100, 1.21, etc.
3. For this one, u can write any number greater than (positive!) 2.6, such as 10, 30, 3.1415, etc.
hope this helps!
