I've attached the graphs to this answer. I hope they help.
This formule is
ax + bx = c
ex
y =2x - 4
-2x + y = -4
-( -2x + y = -4)
2x - y = 4
Step-by-step explanation:


Answer:
(C) Nathaniel can build at most 3 birdhouses.
Step-by-step explanation:
Given that:

where:
- B represents the number of birds
- H represents the number of Birdhouses
Nathaniel wants to build 50 birds(B) using lego Blocks, we want to determine how many birdhouses(H) he can build with the remaining Lego blocks.
If B=50

Therefore, Nathaniel can build at most 3 Birdhouses.