Answer:
infinite number of solutions
Explanation:
5x - 4y = 10 → (1)
10x - 8y = 20 → (2)
multiply (1) by - 2
- 10x + 8y = - 20 → (3)
ad (2) and (3) term by term
0 + 0 = 0
0 = 0 ← true statement
this indicates the system has an infinite number of solutions