Answer:
There isn’t a solution to this when using substitution or elimination.
Step-by-step explanation:
Answer:
what is the question?
Step-by-step explanation:
Answer:
7 + x + 4y
(7 + x) + 4y
x + (7 + 4y)
Step-by-step explanation:
the sum of elements does not change, no matter the order.
Step-by-step explanation:
the answer is 2/7 2578 (25510 - just positive